Quantitative Models and Construction Methods Model Name: New Stock Issuance Model - **Construction Idea**: The model aims to track the performance of newly issued stocks in various market segments, including the main board, ChiNext, and STAR Market[1][12][22]. - **Construction Process**: - Collect data on the number of new stocks issued, the amount of funds raised, and the first-day price performance. - Calculate the average first-day price increase for each market segment. - Formula: $ \text{Single Account Stock Return} = \min(\text{Account Size}, \text{Subscription Limit}) \times \text{Winning Rate} \times \text{Return Rate} $ $ \text{A/B/C Class Investors Full Return} = \text{Subscription Limit} \times \text{A/B/C Class Offline Winning Rate} \times \text{Return Rate} $ - Parameters: - Winning Rate: Actual winning rate of offline new stock issuance. - Return Rate: For new stocks listed on the STAR Market and ChiNext, and under the comprehensive registration system on the main board, the return rate is the first-day average transaction price relative to the issue price. For non-registration system main board stocks, the return rate is the average transaction price on the opening day relative to the issue price[40][41][42]. - **Evaluation**: The model provides a comprehensive view of the performance of new stock issuances across different market segments, helping investors understand the potential returns from participating in new stock offerings[1][12][22]. Model Backtesting Results New Stock Issuance Model - **Main Board**: - A Class: Monthly return rate 0.159%, cumulative return 1.000%[41][42][47] - C Class: Monthly return rate 0.141%, cumulative return 0.908%[41][42][47] - **ChiNext**: - A Class: Monthly return rate 0.035%, cumulative return 1.128%[41][45][47] - C Class: Monthly return rate 0.034%, cumulative return 0.989%[41][45][47] - **STAR Market**: - A Class: Monthly return rate 0.064%, cumulative return 0.547%[41][46][47] - C Class: Monthly return rate 0.063%, cumulative return 0.527%[41][46][47] Quantitative Factors and Construction Methods Factor Name: New Stock Performance Factor - **Construction Idea**: This factor aims to measure the performance of new stocks on their first day of trading, providing insights into the potential returns from participating in new stock offerings[1][12][22]. - **Construction Process**: - Collect data on the first-day price performance of new stocks. - Calculate the average first-day price increase for each market segment. - Formula: $ \text{First-Day Price Increase} = \frac{\text{First-Day Closing Price} - \text{Issue Price}}{\text{Issue Price}} \times 100\% $ - Parameters: - First-Day Closing Price: The closing price of the stock on its first day of trading. - Issue Price: The price at which the stock was issued[1][12][22]. - **Evaluation**: This factor provides a clear measure of the initial performance of new stocks, helping investors gauge the potential returns from participating in new stock offerings[1][12][22]. Factor Backtesting Results New Stock Performance Factor - **Main Board**: - Average first-day price increase: 276.29%[22][23] - **ChiNext**: - Average first-day price increase: 356.00%[22][23] - **STAR Market**: - Average first-day price increase: 174.56%[22][23] Fund Product Performance Fund Product Performance in New Stock Offerings - **Construction Idea**: Measure the participation and success rate of fund products in new stock offerings, and calculate their estimated returns based on their participation and winning rates[57][58][59]. - **Construction Process**: - Collect data on the participation and winning rates of fund products in new stock offerings. - Calculate the estimated returns based on the latest fund quarterly report. - Formula: $ \text{Participation Rate} = \frac{\text{Number of New Stocks Quoted}}{\text{Total Number of New Stocks Issued}} $ $ \text{Winning Rate} = \frac{\text{Number of Valid Quotes}}{\text{Number of New Stocks Quoted}} $ - Parameters: - Participation Rate: The rate at which the fund product participates in new stock offerings. - Winning Rate: The rate at which the fund product's quotes are accepted[57][58][59]. - **Evaluation**: This method provides a detailed view of the performance of fund products in new stock offerings, helping investors understand the potential returns from participating in new stock offerings through fund products[57][58][59]. Fund Product Backtesting Results Fund Product Performance - **Top Performing Funds**: - Middle European Shanghai-Shenzhen 300 Index A: Estimated return rate 0.337%[57][58][59] - ICBC Quality Selection A: Estimated return rate 0.33%[57][58][59] - Huatai-PineBridge Innovation Power: Estimated return rate 0.33%[57][58][59] Institutional Performance Institutional Performance in New Stock Offerings - **Construction Idea**: Measure the participation and success rate of institutions in new stock offerings, and calculate their estimated returns based on their participation and winning rates[60][61][62]. - **Construction Process**: - Collect data on the participation and winning rates of institutions in new stock offerings. - Calculate the estimated returns based on the latest institutional quarterly report. - Formula: $ \text{Participation Rate} = \frac{\text{Number of New Stocks Quoted}}{\text{Total Number of New Stocks Issued}} $ $ \text{Winning Rate} = \frac{\text{Number of Valid Quotes}}{\text{Number of New Stocks Quoted}} $ - Parameters: - Participation Rate: The rate at which the institution participates in new stock offerings. - Winning Rate: The rate at which the institution's quotes are accepted[60][61][62]. - **Evaluation**: This method provides a detailed view of the performance of institutions in new stock offerings, helping investors understand the potential returns from participating in new stock offerings through institutional products[60][61][62]. Institutional Backtesting Results Institutional Performance - **Top Performing Institutions**: - GF Fund: Estimated return rate 1.74 billion[60][61][62] - China Asset Management: Estimated return rate 1.51 billion[60][61][62] - E Fund Management: Estimated return rate 1.33 billion[60][61][62]

- The report tracks the recent performance of the IPO market, including the Sci-Tech Innovation Board, the Growth Enterprise Market, and the Main Board, assuming all stocks are hit and sold at the market average price on the first day of listing, ignoring the lock-up period restrictions [2][10] - The report calculates the IPO yield for different account sizes, with A-class 2 billion scale accounts yielding 1.89%, B-class 2 billion scale accounts yielding 1.69%, A-class 10 billion scale accounts yielding 0.60%, and B-class 10 billion scale accounts yielding 0.55% [2][10] - The report tracks the median number of valid quotation accounts for recent 20 new stocks, with A-class valid quotation accounts for Sci-Tech Innovation Board stocks around 3062, B-class around 1602; A-class valid quotation accounts for Growth Enterprise Market stocks around 3591, B-class around 2079; A-class valid quotation accounts for Main Board stocks around 3790, B-class around 2275 [2][22] - The report lists the recent IPO results, including the issuance price, issuance P/E ratio, industry P/E ratio, number of new shares issued, actual fundraising amount, strategic placement, online issuance, offline issuance, online winning rate, online issuance oversubscription multiple, offline preliminary inquiry oversubscription multiple, offline subscription allocation ratio, and offline issuance effective subscription multiple [24] - The report calculates the theoretical IPO yield for different account sizes, assuming all stocks are hit, sold at the market average price on the first day of listing, and using 90% capital efficiency [39][40] - The report lists the monthly IPO yield and IPO yield rate for different account sizes, assuming all stocks are hit, sold at the market average price on the first day of listing, and using 90% capital efficiency [43][44][45][46] - The report lists the monthly IPO yield and IPO yield rate for different account sizes, assuming all stocks are hit, sold at the market average price on the first day of listing, and using 90% capital efficiency [47][50][51][52][53] - A-class 2 billion scale accounts IPO yield rate is 1.89% [10] - B-class 2 billion scale accounts IPO yield rate is 1.69% [10] - A-class 10 billion scale accounts IPO yield rate is 0.60% [10] - B-class 10 billion scale accounts IPO yield rate is 0.55% [10] - Sci-Tech Innovation Board stocks first-day average increase is 218.45% [16] - Growth Enterprise Market stocks first-day average increase is 227.38% [16] - Sci-Tech Innovation Board stocks A-class valid quotation accounts around 3062 [22] - Sci-Tech Innovation Board stocks B-class valid quotation accounts around 1602 [22] - Growth Enterprise Market stocks A-class valid quotation accounts around 3591 [22] - Growth Enterprise Market stocks B-class valid quotation accounts around 2079 [22] - Main Board stocks A-class valid quotation accounts around 3790 [22] - Main Board stocks B-class valid quotation accounts around 2275 [22] - The highest first-day increase for new stocks is 426.31% [33] - The highest fundraising amount for new stocks is 181.71 billion yuan [33] - The highest full subscription yield for new stocks is 141.4 million yuan [37] - The highest monthly IPO yield for A-class accounts is 248.20 million yuan [44] - The highest monthly IPO yield rate for A-class accounts is 6.22% [44] - The highest monthly IPO yield for B-class accounts is 179.55 million yuan [50] - The highest monthly IPO yield rate for B-class accounts is 5.04% [50]

Market Overview - As of July 23, the Shanghai Composite Index closed at 3582.30 points, with a slight increase of 0.44 points, representing a change of 0.01% [1] - The Shenzhen Component Index closed at 11059.04 points, down by 40.79 points, a decrease of 0.37% [1] - The ChiNext Index closed at 2310.67 points, with a minor decline of 0.19 points, or 0.01% [1] Trading Activity - A total of 101 A-shares had a turnover rate exceeding 20% on this day, indicating significant trading activity [1] - Notably, C Shanda and C Jiyuan had turnover rates above 50%, with 82.89% and 80.75% respectively, indicating a high level of liquidity and interest in these stocks [1] Top Stocks by Turnover Rate - C Shanda (301609) closed at 66.85 CNY, with a turnover rate of 82.89% and a remarkable increase of 356.00% [1] - C Jiyuan (603262) closed at 40.75 CNY, with a turnover rate of 80.75% and a significant rise of 274.54% [1] - Other notable stocks with high turnover rates include: - Guanlong Energy (301151) at 24.11 CNY, turnover rate of 72.29%, down by 5.67% [1] - Weiman Sealing (301161) at 29.81 CNY, turnover rate of 66.12%, down by 16.05% [1] - Southern Road Machinery (603280) at 34.75 CNY, turnover rate of 64.76%, up by 10.00% [1] Additional Noteworthy Stocks - Other stocks with notable trading activity include: - Sichuan Jinding (600678) at 11.15 CNY, turnover rate of 51.91%, down by 4.21% [1] - Baijia Technology (835857) at 9.56 CNY, turnover rate of 47.74%, up by 17.16% [1] - Jindun Co. (300411) at 15.77 CNY, turnover rate of 43.27%, down by 1.93% [1]

Core Viewpoint - The article discusses the recent developments and performance of Xintong Electronics, highlighting its innovative technology in power line inspection and the challenges it faces in maintaining profitability despite its market position [2][3][6]. Group 1: Company Overview - Xintong Electronics, established nearly 30 years ago, has transitioned from a communication-focused company to a key player in the power system sector, offering products like intelligent inspection systems for power lines and substations [7][9]. - The company successfully went public on July 1, with an initial offering price of 16.42 yuan per share [3]. Group 2: Financial Performance - Xintong Electronics has shown impressive revenue growth, with a compound annual growth rate (CAGR) of over 23% from 2018 to 2024, increasing revenue from 284 million yuan to 1.005 billion yuan [12]. - Profitability has also improved, with net income rising from 55 million yuan in 2018 to 143 million yuan in 2024, reflecting a CAGR of 17.26% [13]. Group 3: Market Position and Competition - The company holds a market share of approximately 27%-31% in the domestic power line inspection system market, ranking second behind Zhiyang Innovation [17]. - Despite its leading position, the actual revenue from this segment is projected to be only 650 million yuan in 2024, indicating a limited market size [19]. Group 4: Challenges and Risks - Xintong Electronics faces declining profit margins, with gross margins dropping from 45.36% in 2018 to 33.03% in 2024, a decrease of over 12 percentage points [30]. - The company relies heavily on major clients like State Grid, which accounted for nearly half of its revenue in 2024, raising concerns about its bargaining power and vulnerability to price pressures [28][30]. Group 5: Future Prospects - The potential for growth in the power line inspection market is significant, with current coverage below 50%, suggesting room for expansion [20]. - However, the competitive landscape is expected to intensify as new entrants may disrupt the market, challenging Xintong Electronics' current position [21].

证券代码：001388 证券简称：信通电子 公告编号：2025-002 山东信通电子股份有限公司 关于签订募集资金三方监管协议的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假 记载、误导性陈述或重大遗漏。 近日，山东信通电子股份有限公司（以下简称"公司"或"信通电子"）与 保荐机构招商证券股份有限公司（以下简称"保荐机构"）、招商银行淄博分行、 建设银行淄博高新支行、兴业银行淄博分行、工商银行淄博高新支行、光大银行 济南分行（以下简称"开户银行"）签订了《募集资金三方监管协议》。具体情况 如下： 一、募集资金的基本情况 经中国证券监督管理委员会《关于同意山东信通电子股份有限公司首次公开 发行股票注册的批复》【证监许可（2025）954 号】同意注册，山东信通电子股份 有限公司首次公开发行 A 股股票 3,900 万股，每股发行价人民币 16.42 元，募集 资金总额为人民币 64,038.00 万元，扣除各类发行费用 7,674.80 万元（不含增值 税）后，募集资金净额为人民币 56,363.20 万元。 上述募集资金已于 2025 年 6 月 26 日全部到位，天健会计师事务所（ ...

Core Viewpoint - The company, Xintong Electronics, is optimistic about the future market potential in the communication and power sectors, emphasizing significant growth opportunities in smart inspection robots and power transmission operations [1][2]. Group 1: Business Development and Market Potential - The company held an investor relations event on July 15, discussing future business development, smart inspection robots, and power sector planning [1]. - The estimated market capacity for power transmission is expected to grow significantly, especially when considering various inspection technologies like drones and robots [1]. - The sales revenue for the company's substation intelligent auxiliary control system is projected to reach 152.87 million yuan in 2024, reflecting an 80% year-on-year increase [2]. Group 2: Technological Advancements and Innovations - The company has made substantial progress in the field of intelligent inspection robots, focusing on the transmission line inspection market, which is anticipated to have considerable growth potential [3]. - The company is developing a comprehensive inspection model that integrates artificial intelligence, big data, and edge computing to enhance operational efficiency in the communication and power sectors [3]. - The company has established a professional AI team to strengthen its technological capabilities and has developed core technologies that are already being applied in smart operations for communication and power sectors [3]. Group 3: Strategic Focus and Future Plans - The company is committed to expanding its product line in the power transmission operation and maintenance sector, enhancing its competitive edge in online monitoring and multi-dimensional inspection [1][2]. - The company aims to continuously improve its product competitiveness by focusing on core technologies and expanding into new sub-sectors within the communication and power industries [2]. - The demand for intelligent inspection devices is expected to rise as the scale of the power grid expands, particularly with the ongoing deployment of ultra-high voltage transmission lines [4][5].

Group 1: Business Development and Market Potential - The company is a leading provider of IoT solutions in the power and communication sectors, focusing on intelligent operation and maintenance scenarios, with a strong market share in core products [1] - The market for transmission operation and maintenance is expected to grow significantly, especially with the increasing length of transmission lines and the introduction of new technologies like drones and robots for inspection [2] - The market size for the intelligent auxiliary control system for substations is substantial, with a sales revenue of 152.87 million yuan in 2024, representing an 80% year-on-year growth [2] Group 2: Technological Advancements and Innovations - The company is actively developing new sub-tracks in the transmission operation and maintenance field, enhancing its product line and competitive edge in online monitoring and multi-dimensional inspections [2] - The integration of AI, big data, and edge computing is crucial for achieving smart operation and maintenance, with ongoing development of core technologies that have been recognized by users in the communication and power sectors [4] - The demand for intelligent inspection devices is closely linked to the expansion of the transmission network, with a growing need for these devices as the scale of the power grid increases [3] Group 3: Future Outlook and Strategic Focus - The company plans to closely monitor developments in the power generation sector and customer needs, indicating potential future expansion into this area [5] - A clear development strategy is in place to deepen engagement with customer demands in the power and communication industries, focusing on product enhancement and technological innovation [2]

Group 1 - The stock of Xintong Electronics fell by 6.83% with a turnover rate of 43.72% and a trading volume of 652 million yuan, showing a fluctuation of 5.94% [2] - The stock was listed on the Shenzhen Stock Exchange due to a daily turnover rate of 43.72% and a daily decline deviation of -8.18%, with a net selling amount of 15.43 million yuan from brokerage seats [2] - The top five brokerage seats accounted for a total transaction of 82.97 million yuan, with a buying amount of 33.77 million yuan and a selling amount of 49.20 million yuan, resulting in a net selling of 15.43 million yuan [2] Group 2 - The largest buying brokerage was Dongfang Caifu Securities with a buying amount of 7.10 million yuan, while the largest selling brokerage was also Dongfang Caifu Securities with a selling amount of 13.63 million yuan [2] - The stock experienced a net outflow of 45.50 million yuan from main funds, including a net outflow of 7.97 million yuan from large orders and 37.52 million yuan from major funds [2] - Over the past five days, the main funds have seen a net outflow of 209 million yuan [2]

Financing Overview - A total of 12 financing events occurred in the technology sector from June 28 to July 4, 2025, with 9 in the domestic market and 3 internationally[9] - The leading sectors for domestic financing were advanced manufacturing (6 events), artificial intelligence (2 events), and enterprise services (1 event)[9] IPO Submissions - Several companies submitted IPO applications on the Hong Kong Stock Exchange, including: - EVE Energy, aiming for a listing on the main board[17] - MagiTech, also targeting the main board[19] - ChipMinds Semiconductor, with plans for the main board[22] - Wingfei Intelligent, seeking a main board listing[26] - Ruiwei Technology, applying for the main board[29] Market Performance - Major indices showed positive performance: - Shanghai Composite Index rose by 1.40% to 3472 points - Shenzhen Component Index increased by 1.25% to 10509 points - ChiNext Index gained 1.50% to 2156 points[33] - The semiconductor index and artificial intelligence index experienced declines of 0.89% and 1.68%, respectively[33] Trading Metrics - High turnover rates were noted in the semiconductor (13.0%) and automotive electronics (9.6%) indices, outperforming the Wind All A Index by 4.9% and 1.5% respectively[34] - Price-to-earnings (PE) ratios for the semiconductor index were 112.2, while automotive electronics and AI indices were 35.3 and 61.2, respectively[38] Financial Highlights of Listed Companies - Xintong Electronics reported revenues of 782 million, 931 million, and 1.005 billion CNY for 2022, 2023, and 2024, respectively, with net profits of 117 million, 124 million, and 143 million CNY[13] - EVE Energy's projected revenues for 2022, 2023, and 2024 are 36.304 billion, 48.784 billion, and 48.615 billion CNY, with net profits of 3.672 billion, 4.520 billion, and 4.221 billion CNY[18] - MagiTech expects revenues of 388 million, 1.513 billion, and 1.420 billion CNY for the same period, with net losses decreasing from 423 million to 291 million CNY[21] Risk Factors - Market competition risk exists due to rapid growth in key sectors like semiconductors and AI, potentially intensifying competition[42] - Risks related to technological advancements not meeting expectations could hinder sector growth[42] - Market demand growth may fall short of expectations, impacting overall sector development[46]

Financing Overview - A total of 12 financing events occurred in the technology sector from June 28 to July 4, 2025, with 9 in the domestic market and 3 internationally[8] - The leading sectors for domestic financing were advanced manufacturing (6 events), artificial intelligence (2 events), and enterprise services (1 event)[8] IPO and Prospectus Submissions - Xintong Electronics was listed on the Shenzhen Stock Exchange on July 1, 2025, with an initial offering price of CNY 16.42 per share[11] - Several companies submitted prospectuses for listing on the Hong Kong Stock Exchange, including EVE Energy, Magnesium Technology, ChipMinds Semiconductor, Yifei Intelligent, and Ruiwei Technology[6][13][15][21][24] Market Performance - The Shanghai Composite Index rose by 1.40% to 3472 points, while the Shenzhen Component Index increased by 1.25% to 10509 points during the same period[27] - The semiconductor index and artificial intelligence index saw declines of 0.89% and 1.68%, respectively, compared to the broader market performance[27] Valuation Metrics - As of July 4, 2025, the PE ratios for the semiconductor, automotive electronics, artificial intelligence, and metaverse indices were 112.2, 35.3, 61.2, and 42.1, respectively[32] - The PB ratios for the same indices were 4.7, 3.2, 5.4, and 3.8, indicating fluctuations in valuation compared to the previous week[34] Risk Factors - Market competition risk exists due to the rapid growth of participants and capital investment in semiconductor, automotive electronics, AI, and metaverse sectors[36] - There is a risk of technological advancements not meeting expectations, which could hinder overall sector growth[37] - Market demand growth may also fall short of expectations, impacting the development of emerging sectors[38]