Quantitative Models and Construction Methods Model Name: China Securities A500 Index - **Model Construction Idea**: The China Securities A500 Index aims to provide a balanced industry representation and incorporate ESG exclusion criteria to enhance the sustainability and resilience of its constituent stocks[2][21]. - **Model Construction Process**: 1. **Sample Space**: The index includes A-shares and depositary receipts issued by red-chip companies that meet specific criteria, such as not being ST or *ST securities, having been listed for more than a quarter, and being part of the Shanghai-Hong Kong Stock Connect or Shenzhen-Hong Kong Stock Connect[21]. 2. **Exclusion Criteria**: Securities with a China Securities ESG rating of C or below are excluded[22]. 3. **Selection Criteria**: Securities are selected based on their market capitalization, liquidity, and industry representation to ensure a balanced distribution across sectors[22]. 4. **Final Selection**: The index includes 500 securities, with a focus on large-cap, highly liquid stocks, and aims to reflect the performance of the most representative listed companies in each industry[21][22]. - **Model Evaluation**: The inclusion of ESG criteria significantly optimizes the risk-return characteristics of the index, enhancing its investment value by reducing volatility and increasing excess returns[24][27]. Model Backtesting Results - **China Securities A500 Index**: - **Expected Annual Return**: 12.9%[9] - **Annualized Volatility**: Lower compared to the benchmark index after ESG exclusion[24] - **Correlation with Other Assets**: Low correlation with Hong Kong stocks, US stocks, commodities, gold, and bonds, making it suitable for risk diversification[17][19] - **Excess Return**: Significantly higher than the benchmark index after ESG exclusion[24] Quantitative Factors and Construction Methods Factor Name: ESG Exclusion - **Factor Construction Idea**: The ESG exclusion factor aims to enhance the sustainability and resilience of the index by excluding companies with poor ESG ratings[2][21]. - **Factor Construction Process**: 1. **ESG Rating**: Companies with a China Securities ESG rating of C or below are excluded from the index[22]. 2. **Selection Criteria**: The remaining companies are selected based on their market capitalization, liquidity, and industry representation[22]. - **Factor Evaluation**: The ESG exclusion factor significantly improves the risk-return profile of the index, reducing volatility and increasing excess returns[24][27]. Factor Backtesting Results - **ESG Exclusion Factor**: - **Annualized Return**: 3.96% for the China Securities 500 ESG Benchmark Index compared to 2.42% for the China Securities 500 Index[24] - **Annualized Volatility**: Lower for the ESG Benchmark Index compared to the standard index[24] - **Maximum Drawdown**: Lower for the ESG Benchmark Index compared to the standard index[24] Additional Information - **Index Characteristics**: The China Securities A500 Index includes large-cap, highly liquid stocks with a balanced representation of new and traditional economies, focusing on sectors such as electronics, electric power equipment and new energy, banking, non-ferrous metals, and pharmaceuticals[31][33][35]. - **Index Valuation and Profitability**: The index's current valuation is not high, with significant room for upward valuation adjustment. The expected earnings growth is high, making it a cost-effective investment[45][47]. Fund Information - **Fund Name**: China Securities A500 ETF - **Fund Objective**: To closely track the target index, minimizing tracking deviation and tracking error[51]. - **Fund Manager**: Managed by Mr. Li Jun, who has extensive experience in managing passive index products[53]. - **Fund Performance**: The fund has been operating steadily since its inception, closely tracking the performance of the China Securities A500 Index[54]. Fund Manager Information - **Asset Management Scale**: China Asset Management's scale continues to grow, ranking among the top in the industry with a comprehensive product line[57]. References - [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] [56] [57] [58] [59] [60] [61] [62] [63] [64] [65] [66]

禾望电气今年以来股价涨72.73%，近5个交易日涨2.76%，近20日涨14.81%，近60日跌0.46%。 今年以来禾望电气已经7次登上龙虎榜，最近一次登上龙虎榜为8月12日，当日龙虎榜净买入-2.74亿 元；买入总计4.85亿元 ，占总成交额比13.04%；卖出总计7.58亿元 ，占总成交额比20.41%。 12月26日，禾望电气盘中下跌2.00%，截至11:18，报34.27元/股，成交3.99亿元，换手率2.52%，总市值 156.86亿元。 资金流向方面，主力资金净流出385.19万元，特大单买入3753.85万元，占比9.40%，卖出3443.66万元， 占比8.62%；大单买入8677.56万元，占比21.73%，卖出9372.94万元，占比23.47%。 截至12月20日，禾望电气股东户数5.60万，较上期减少15.15%；人均流通股8173股，较上期增加 17.86%。2025年1月-9月，禾望电气实现营业收入27.78亿元，同比增长20.19%；归母净利润3.34亿元， 同比增长31.99%。 分红方面，禾望电气A股上市后累计派现2.99亿元。近三年，累计派现1.70亿元。 机构持仓方面， ...

Core Viewpoint - Oriental Communication's stock has shown significant volatility, with a year-to-date increase of 39.37%, despite a recent decline of 2.02% on December 26. The company operates primarily in the communication, financial electronics, and network sectors, with a diverse revenue composition [1][2]. Financial Performance - For the period from January to September 2025, Oriental Communication reported a revenue of 1.627 billion yuan, representing a year-on-year decrease of 17.41%. However, the net profit attributable to shareholders increased by 251.54% to 364 million yuan [2]. - The company has distributed a total of 1.955 billion yuan in dividends since its A-share listing, with 222 million yuan distributed over the past three years [3]. Stock Market Activity - As of December 26, the stock price was 15.51 yuan per share, with a trading volume of 506 million yuan and a turnover rate of 3.35%. The total market capitalization stood at 19.481 billion yuan [1]. - The stock has experienced a net outflow of 26.8015 million yuan from major funds, with significant buying and selling activity noted in large orders [1]. Shareholder Structure - As of October 31, the number of shareholders for Oriental Communication was 115,300, a decrease of 1.56% from the previous period. The average circulating shares per person remained at zero [2]. - The second-largest circulating shareholder is Hong Kong Central Clearing Limited, holding 7.6027 million shares, an increase of 1.8831 million shares from the previous period [3].

Core Viewpoint - Xinquan Co., Ltd. has experienced a stock price decline of 2.00% on December 26, with a current price of 65.06 CNY per share and a total market capitalization of 33.19 billion CNY. The company has seen a year-to-date stock price increase of 53.44% but has faced recent fluctuations in trading volume and net capital outflow [1]. Group 1: Stock Performance - As of December 26, Xinquan's stock price has increased by 53.44% year-to-date, but it has seen a slight increase of 0.37% over the last five trading days, a decline of 1.68% over the last 20 days, and a significant drop of 20.70% over the last 60 days [1]. - The company has appeared on the "龙虎榜" (a trading leaderboard) five times this year, with the most recent appearance on November 10, where it recorded a net buy of -361 million CNY [1]. Group 2: Financial Performance - For the period from January to September 2025, Xinquan reported a revenue of 11.41 billion CNY, reflecting a year-on-year growth of 18.83%. However, the net profit attributable to shareholders decreased by 9.19% to 623 million CNY [2]. - Since its A-share listing, Xinquan has distributed a total of 946 million CNY in dividends, with 439 million CNY distributed over the past three years [3]. Group 3: Shareholder Structure - As of September 30, 2025, the number of shareholders for Xinquan has increased to 18,000, marking a 73.59% rise compared to the previous period. The average number of circulating shares per shareholder has decreased by 41.88% to 27,368 shares [2]. - Notable changes in institutional holdings include new entries among the top ten shareholders, such as Yongying Advanced Manufacturing Mixed Fund and China Europe Digital Economy Mixed Fund, while Hong Kong Central Clearing Limited has reduced its holdings by 10.61 million shares [3].

Core Viewpoint - Huilv Ecological has shown significant stock performance with a year-to-date increase of 187.09%, reflecting strong market interest and financial growth [1][2]. Financial Performance - For the period from January to September 2025, Huilv Ecological achieved a revenue of 1.081 billion yuan, representing a year-on-year growth of 206.15% [2]. - The net profit attributable to shareholders for the same period was 51.7188 million yuan, marking a year-on-year increase of 96.96% [2]. Stock Market Activity - As of December 26, Huilv Ecological's stock price was 21.79 yuan per share, with a trading volume of 3.22 billion yuan and a turnover rate of 2.48%, resulting in a total market capitalization of 17.109 billion yuan [1]. - The stock has been active on the market, appearing on the "龙虎榜" (top trading list) six times this year, with the most recent appearance on October 28 [1]. Shareholder Information - As of December 19, the number of shareholders for Huilv Ecological was 38,600, a decrease of 16.90% from the previous period, while the average number of circulating shares per shareholder increased by 20.33% to 15,698 shares [2]. - The top ten circulating shareholders include new institutional investors, with notable holdings from Hai Futong Stock Mixed Fund and others [3]. Business Overview - Huilv Ecological, established on January 29, 1990, and listed on November 17, 2021, operates primarily in landscape engineering, design, and nursery planting [1]. - The company's revenue composition includes 38.62% from AOC, 31.08% from optical modules, 17.78% from landscape engineering, and smaller contributions from other segments [1]. Dividend Information - Since its A-share listing, Huilv Ecological has distributed a total of 166 million yuan in dividends, with 117 million yuan distributed over the past three years [3].

Group 1 - The core business of the company includes the research, production, and sales of micro transmission systems (63.25% of revenue), precision parts (30.44%), and precision molds and other products (6.31%) [2] - As of September 30, 2025, the company achieved a revenue of 1.255 billion yuan, representing a year-on-year growth of 18.70%, and a net profit attributable to shareholders of 181 million yuan, with a year-on-year increase of 13.86% [2] - The company has distributed a total of 333 million yuan in dividends since its A-share listing, with 192 million yuan distributed in the last three years [3] Group 2 - The company's stock price has increased by 58.68% year-to-date, with a recent 14.55% rise over the last five trading days [1] - The company has appeared on the "龙虎榜" (a stock trading list) seven times this year, with the most recent appearance on April 23, where it recorded a net purchase of 93.537 million yuan [1] - As of September 30, 2025, the number of shareholders decreased by 8.28% to 51,000, while the average circulating shares per person increased by 9.63% to 4,066 shares [2][3]

Core Viewpoint - The stock of Sankeshu has shown a significant increase in price and performance metrics, indicating a positive trend in the company's financial health and market position [1][2]. Group 1: Stock Performance - As of December 26, Sankeshu's stock price increased by 2.04%, reaching 45.91 CNY per share, with a total market capitalization of 33.873 billion CNY [1]. - Year-to-date, the stock price has risen by 54.58%, with a slight increase of 0.26% over the last five trading days and a 3.87% increase over the last 20 days [1]. - The stock has experienced a decline of 1.06% over the past 60 days [1]. Group 2: Financial Performance - For the period from January to September 2025, Sankeshu reported a revenue of 9.392 billion CNY, reflecting a year-on-year growth of 2.69% [2]. - The net profit attributable to shareholders for the same period was 744 million CNY, showing a substantial increase of 81.22% compared to the previous year [2]. Group 3: Shareholder Information - As of September 30, 2025, the number of shareholders for Sankeshu increased to 14,200, marking a 0.50% rise from the previous period [2]. - The average number of circulating shares per shareholder decreased by 0.50% to 51,849 shares [2]. - The company has distributed a total of 1.102 billion CNY in dividends since its A-share listing, with 622 million CNY distributed over the last three years [3]. Group 4: Institutional Holdings - As of September 30, 2025, Hong Kong Central Clearing Limited is the third-largest circulating shareholder, holding 19.3144 million shares, an increase of 5.9453 million shares from the previous period [3]. - The Penghua CSI Sub-Segment Chemical Industry Theme ETF is a new entrant among the top ten circulating shareholders, holding 4.4417 million shares [3]. - The Southern CSI 500 ETF has reduced its holdings by 86,600 shares, while other funds have exited the top ten list [3].

Core Viewpoint - Aerospace Intelligent Equipment has shown significant stock price growth this year, with a 132.14% increase year-to-date and notable recent trading activity, indicating strong market interest and potential investment opportunities [2]. Group 1: Stock Performance - As of December 26, Aerospace Intelligent Equipment's stock price rose by 2.18% to 30.05 CNY per share, with a trading volume of 9.13 billion CNY and a turnover rate of 4.35%, resulting in a total market capitalization of 215.69 billion CNY [1]. - The stock has increased by 8.72% over the last five trading days, 17.29% over the last 20 days, and 77.39% over the last 60 days [2]. Group 2: Financial Performance - For the period from January to September 2025, Aerospace Intelligent Equipment reported a revenue of 696 million CNY, a year-on-year decrease of 2.62%, and a net profit attributable to shareholders of -158 million CNY, a significant decline of 674.05% [3]. - Cumulative cash dividends since the company's A-share listing amount to 212 million CNY, with 32.30 million CNY distributed over the past three years [4]. Group 3: Shareholder and Institutional Holdings - As of September 30, 2025, the number of shareholders increased to 40,400, a rise of 5.99%, while the average circulating shares per person decreased by 5.65% to 17,525 shares [3]. - Among the top ten circulating shareholders, notable positions include the E Fund National Robot Industry ETF, which holds 11.42 million shares, and the Hong Kong Central Clearing Limited, which holds 4.06 million shares, showing a decrease of 293,000 shares from the previous period [4].

Group 1 - XuGong Machinery's stock increased by 5.14%, reaching 11.24 CNY per share, with a trading volume of 468 million CNY and a turnover rate of 0.46%, resulting in a total market capitalization of 132.103 billion CNY [1] - XuGong Group Engineering Machinery Co., Ltd. was established on December 15, 1993, and listed on August 28, 1996. The company specializes in the research, manufacturing, sales, and service of various types of construction machinery and parts [1] - The main business revenue composition includes: earthmoving machinery 31.05%, other construction machinery, parts, and others 28.09%, lifting machinery 19.11%, mining machinery 8.64%, aerial work machinery 8.34%, and piling machinery 4.77% [1] Group 2 - Changjiang Asset Management has one fund heavily invested in XuGong Machinery, specifically the Changjiang Chucai One-Year Holding Mixed Fund A (017464), which held 160,000 shares, accounting for 0.47% of the fund's net value, ranking as the fourth-largest holding [2] - The fund was established on August 18, 2023, with a current size of 382 million CNY. Year-to-date returns are 8.45%, ranking 6090 out of 8087 in its category; the one-year return is 8.01%, ranking 6073 out of 8074; and since inception, the return is 8.32% [2] Group 3 - The fund managers of Changjiang Chucai One-Year Holding Mixed Fund A are Liu Zuoyong and Luo Cong. Liu has a tenure of 3 years and 302 days, with a total fund asset size of 971 million CNY, achieving a best return of 15.91% and a worst return of 5.86% during his tenure [3] - Luo has a tenure of 3 years and 198 days, managing a total fund asset size of 619 million CNY, with a best return of 25.73% and a worst return of -0.06% during his tenure [3]

Core Viewpoint - The stock of Beijing Guiding Technology Development Co., Ltd. has shown significant growth this year, with a year-to-date increase of 107.76% and a recent uptick in trading activity, despite some fluctuations in the past 60 days [1][2]. Financial Performance - For the period from January to September 2025, the company reported a revenue of 9.63 billion yuan, representing a year-on-year growth of 61.78% [2]. - The net profit attributable to shareholders for the same period was 1.16 billion yuan, marking a substantial increase of 205.48% compared to the previous year [2]. Shareholder Information - As of September 30, 2025, the number of shareholders increased to 144,700, up by 55.31% from the previous period [2]. - The average number of circulating shares per shareholder decreased to 4,136 shares, down by 35.61% [2]. Stock Market Activity - The stock price of Guiding Technology reached 137.48 yuan per share, with a trading volume of 7.19 billion yuan and a turnover rate of 0.89% [1]. - The company has appeared on the stock market's "龙虎榜" three times this year, with the latest occurrence on August 18 [1]. Business Overview - Guiding Technology primarily operates in the financial information services sector, which accounts for 97.98% of its revenue, while advertising and leasing contribute 1.99% and 0.02%, respectively [1]. - The company is categorized under the software development industry, specifically in vertical application software [1].