Group 1 - The core point of the news is the issuance of new stocks in the market, with a total of 60 companies having raised a cumulative amount of 601.12 billion yuan this year, averaging 10.02 billion yuan per company [1][2] - Hongyuan Co., Ltd. issued 30.68 million shares at a price of 9.17 yuan, raising 281 million yuan [1][4] - The distribution of new stock issuances shows that the Shanghai main board had 14 new stocks raising 31.05 billion yuan, while the Shenzhen main board had 8 new stocks raising 4.38 billion yuan [1][2] Group 2 - Huadian New Energy is the company with the highest fundraising this year, raising 15.80 billion yuan primarily for wind and solar power projects [2] - The average initial issuance price of new stocks this year is 22.47 yuan, with four companies having an issuance price above 50 yuan [2] - The geographical distribution indicates that new stock issuances are concentrated in Jiangsu, Guangdong, and Zhejiang, with fundraising amounts led by Fujian, Zhejiang, and Guangdong [2]

换手率最高的是屹唐股份，该股今日收盘上涨7.00%，全天换手率31.49%，成交额14.07亿元，其次是中 研股份，该股今日收盘下跌3.06%，全天换手率21.63%，成交额6.68亿元，换手率居前的还有龙图光 罩、胜科纳米、晶华微等，换手率分别为20.88%、20.22%、19.39%。 市场表现看，换手率超5%的个股中，今日上涨的有73只，涨幅居前的有东芯股份、晶华微、科威尔 等，分别上涨20.00%、14.41%、12.29%。跌幅居前的有元琛科技、科思科技、豪森智能等，分别下跌 7.86%、7.84%、6.06%。 分行业看，今日换手率超5%的个股中，所属电子行业个股最多，有48只个股上榜；计算机、医药生物 等紧随其后，分别有19只、18只个股上榜。 科创50指数今日下跌0.15%，报收1058.21点，科创板全日成交量45.30亿股，成交额1729.47亿元，加权 平均换手率为2.49%。 证券时报·数据宝统计显示，今日可交易科创板股中，225只股收盘上涨，涨幅超过10%的有5只，其 中，赛诺医疗、东芯股份等2股涨停，涨幅在5%至10%的有19只，收盘下跌的有358只。 科创板股换手率区间分布显示， ...

Group 1 - The closing price of Yitang Co., Ltd. (688729) on August 7 was 22.62 yuan, with an increase of 7.00% and a turnover rate of 31.49% [2] - The stock was listed on the trading alert board due to a daily turnover rate exceeding 30% [2] - The total trading volume for the day reached 1.407 billion yuan [2] Group 2 - The top five trading departments accounted for a total transaction amount of 290 million yuan, with a net buying amount of 26.09 million yuan [2] - The largest buying department was JPMorgan Securities (China) Co., Ltd. with a purchase amount of 50.47 million yuan [2] - The largest selling department was also Goldman Sachs (China) Securities Co., Ltd. with a selling amount of 38.34 million yuan [2] Group 3 - The net inflow of main funds for the stock on that day was 88.29 million yuan [2] - The detailed buying and selling amounts of various departments were provided, indicating significant trading activity [2]

发行价格方面，今年已发行新股平均首发价格为22.70元，发行价在50元以上的有4家，发行价最高的是 天有为，发行价为93.50元，优优绿能、同宇新材次之，发行价分别为89.60元、84.00元，发行价较低的 有华电新能、天工股份等，首发价格分别为3.18元、3.94元。 按不同板块统计，今年以来沪市主板发行新股14只，募资310.50亿元；深市主板发行新股8只，募资 43.78亿元；创业板发行新股22只，募资136.44亿元；科创板发行新股7只，募资79.01亿元；北交所发行 新股8只，募资28.59亿元。 华电新能为今年以来募资金额最多的公司，首发募集资金达158.01亿元，募资主要投向风力发电、太阳 能发电项目，补充流动资金项目等；其次是中策橡胶，募资金额为40.66亿元，募资主要用于补充流动 资金，年产650万套全钢子午线轮胎绿色5G数字工厂项目，高性能子午线轮胎绿色5G数字工厂项目等。 募集资金较多的还有天有为、屹唐股份、影石创新等，分别募资37.40亿元、24.97亿元、19.38亿元。 1只新股今日发行，志高机械发行2148.15万股，发行价17.41元，募资金额3.74亿元。 证券时报·数据宝统 ...

- The report tracks the recent performance of the IPO market, focusing on the Sci-Tech Innovation Board (STAR Market), ChiNext, and the Main Board, assuming all stocks are fully subscribed and sold at the average market price on the first day of listing, excluding lock-up restrictions[2][10] - As of August 1, 2025, the IPO yield for a 2 billion A-class account is 1.92%, while for a 10 billion A-class account, it is 0.61%[2][10] - The average first-day increase for STAR Market stocks is 218.45%, and for ChiNext stocks, it is 227.38%, based on the performance of 20 recently listed stocks[2][20] - The median number of valid bidding accounts for STAR Market IPOs is approximately 3,062 for A-class accounts and 1,602 for B-class accounts, while for ChiNext IPOs, the numbers are 3,630 and 2,080, respectively[2][27] - The report calculates the theoretical full subscription income for each stock using the formula: **Full Subscription Quantity = Maximum Subscription Limit × Average Offline Winning Rate** **Full Subscription Income = (First Board Price - Initial Offering Price) × Full Subscription Quantity**[39][42] - The highest full subscription income among recent IPOs is 141.4 million yuan for Huadian New Energy, followed by 44.18 million yuan for Yitang Co., and 17.26 million yuan for Shanda Electric[42][45] - For A-class accounts, the cumulative IPO yield since 2024 is 5.65% for a 2 billion account, while for 2025 alone, it is 1.92%[47][48] - For B-class accounts, the cumulative IPO yield since 2024 is 4.64% for a 2 billion account, while for 2025 alone, it is 1.72%[51][52]

Group 1 - In July, a total of 7 new stocks were listed, indicating a decrease in market activity, with only 41.46% of stocks showing positive growth compared to 71.74% previously [1][9][30] - The Science and Technology Innovation Board (STAR Market) saw the listing of Yitang Co., which had a first-day increase of 210.06% and an opening valuation of 51.55 times [1][14] - The ChiNext Board had listings of Tongyu New Materials and Shanda Electric Power, with Xinhenghui recording a monthly increase of over 10%, while Shanda Electric Power saw a decline of over 20% [1][22] - The Shanghai and Shenzhen main boards had listings including Xintong Electronics and Huadian New Energy, with Jiangnan New Materials increasing over 10%, while Xintong Electronics and others saw declines exceeding 20% [1][30] Group 2 - The STAR Market's first-day opening valuation for new stocks increased to 117.99 times in July, up from 73.70 times in June [16][19] - The ChiNext Board's first-day opening valuation rose to 80.75 times in July, compared to 45.24 times in June [22][25] - The main boards' first-day opening valuation increased to 59.47 times in July, up from 28.90 times in June [32][35] Group 3 - The report highlights key new stocks that have been listed since January 2023, including Yitang Co. and Yingshi Innovation, which are involved in semiconductor equipment and panoramic cameras, respectively [42][43] - Yitang Co. holds a significant market share in the dry etching equipment sector, with a 34.60% global market share, ranking second [47] - Yingshi Innovation leads the consumer-grade panoramic camera market with a 67.2% market share, indicating strong competitive positioning [51]

Summary of Key Points Core Viewpoint - In the first seven months of 2025, a total of 59 new companies were listed on the Shanghai Stock Exchange, Shenzhen Stock Exchange, and Beijing Stock Exchange, raising a total of 59.116 billion yuan in funds [1]. Group 1: Listing Overview - 22 companies were listed on the main board, 22 on the ChiNext board, 8 on the Sci-Tech Innovation board, and 7 on the Beijing Stock Exchange [1]. - The listed companies are distributed across 15 provinces, municipalities, and autonomous regions, with Jiangsu, Guangdong, and Zhejiang having the highest number of listings [1][2]. Group 2: Fundraising by Province - Jiangsu Province had 14 companies listed, raising a total of 59.27 billion yuan [2]. - Guangdong Province had 12 companies listed, raising a total of 86.10 billion yuan [2]. - Zhejiang Province had 10 companies listed, raising a total of 96.93 billion yuan [2]. - Anhui Province had 5 companies listed, raising a total of 31.53 billion yuan [2]. Group 3: Top Fundraising Companies - The top five companies by fundraising amount are: - Huadian New Energy: 15.801 billion yuan [1][4] - Zhongce Rubber: 4.066 billion yuan [1][6] - Tianyouwei: 3.740 billion yuan [1][8] - Yitang Co., Ltd.: 2.497 billion yuan [1][5] - Yingshi Innovation: 1.938 billion yuan [1][6].

Core Points - In the first seven months of 2025, a total of 59 new companies were listed on the Shanghai Stock Exchange, Shenzhen Stock Exchange, and Beijing Stock Exchange, raising a total of 59.116 billion yuan [1] - Among these, the Sci-Tech Innovation Board saw 8 companies listed, collectively raising 8.117 billion yuan [1] - Seven companies opted for the first set of listing standards, which require a minimum expected market value of 1 billion yuan and specific profit and revenue criteria [1] Company Listings - Yitang Co., Ltd. (688729.SH) was listed on July 8, 2025, raising 2.49748 billion yuan with underwriting fees of 92.2118 million yuan, following the fourth listing standard [2] - Yingstone Innovation (688775.SH) was listed on June 11, 2025, raising 1.93807 billion yuan with underwriting fees of 158.3475 million yuan, adhering to the first listing standard [2] - Hanbang Technology (688755.SH) was listed on May 16, 2025, raising 500.94 million yuan with underwriting fees of 37.2891 million yuan, also following the first listing standard [2] - Other companies listed under the first standard include Shengke Nano (688757.SH), Haibosichuang (688411.SH), Xingfu Electronics (688545.SH), Sikan Technology (688583.SH), and Saifen Technology (688758.SH), with varying amounts raised and underwriting fees [2]

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]

Core Points - Yitang Co., Ltd. (688729) closed at 20.69 yuan on August 1, 2025, down 1.38% with a turnover rate of 11.05% and a trading volume of 220,900 lots, amounting to 460 million yuan [1] - The company experienced a net outflow of main funds amounting to 27.99 million yuan, accounting for 6.09% of the transaction amount [1] - The latest financial report for Q1 2025 shows total revenue of 1.16 billion yuan, a year-on-year increase of 14.63%, and a net profit attributable to shareholders of 218 million yuan, a year-on-year increase of 113.09% [1] Financial Performance - Total revenue for Q1 2025 reached 1.16 billion yuan, reflecting a 14.63% year-on-year growth [1] - Net profit attributable to shareholders was 218 million yuan, marking a significant year-on-year increase of 113.09% [1] - The company's non-recurring net profit was 140 million yuan, with a year-on-year growth of 52.78% [1] - Current ratio stands at 3.384, quick ratio at 1.617, and debt-to-asset ratio at 40.40% [1] Company Overview - Beijing Yitang Semiconductor Technology Co., Ltd. was established in 2015 and is located in Beijing, primarily engaged in other manufacturing industries [2] - The company has a registered capital of 2.66 billion yuan and a paid-in capital of 2.66 billion yuan [1] - The legal representative of the company is Zhang Wendong [1] - The company has made investments in 2 enterprises and participated in 174 bidding projects [2] - It holds 22 trademark registrations and 226 patent registrations, along with 89 administrative licenses [2]