Core Viewpoint - Longhua Technology has seen a stock price increase of 5% on December 29, reaching 9.03 yuan per share, with a trading volume of 315 million yuan and a turnover rate of 3.64%, resulting in a total market capitalization of 9.346 billion yuan [1] Group 1: Company Overview - Longhua Technology Group (Luoyang) Co., Ltd. is located in Luoyang, Henan Province, and was established on July 5, 1995, with its listing date on September 16, 2011 [1] - The company's main business includes electronic new materials, polymer composite materials, and energy-saving environmental protection [1] - The revenue composition of the main business is as follows: energy-saving heat exchange equipment 35.87%, target materials and ultra-high temperature special materials 26.91%, environmental water treatment products 13.49%, foam products and structural parts 9.44%, extractants 8.76%, rail transit products 3.05%, sewage treatment 1.04%, others 0.89%, and environmental water treatment engineering contracting 0.55% [1] Group 2: Fund Holdings - According to data, one fund under GF Fund holds a significant position in Longhua Technology, specifically the GF Quantitative Multi-Factor Mixed A (005225), which held 3.3658 million shares, accounting for 0.76% of the fund's net value, ranking as the fifth-largest holding [2] - During the three-day stock price increase, the fund has realized a floating profit of approximately 1.4473 million yuan, with a floating profit of 1.178 million yuan during the same period [2] - The GF Quantitative Multi-Factor Mixed A fund was established on March 21, 2018, with a current scale of 3.618 billion yuan, and has achieved a year-to-date return of 52.59%, ranking 1101 out of 8159 in its category [2]

Core Viewpoint - China Electric Motor has shown a mixed performance in stock trading, with a slight increase in price but a notable decline over the past two months, indicating potential volatility in investor sentiment [1]. Group 1: Stock Performance - As of December 29, China Electric Motor's stock price increased by 2.07% to 25.18 CNY per share, with a trading volume of 55.56 million CNY and a turnover rate of 0.95%, resulting in a total market capitalization of 5.92 billion CNY [1]. - Year-to-date, the stock price has risen by 3.24%, with a 2.99% increase over the last five trading days, but has decreased by 2.97% over the last 20 days and 12.48% over the last 60 days [1]. - The company has appeared on the "龙虎榜" (a list of stocks with significant trading activity) twice this year, with the most recent appearance on September 18 [1]. Group 2: Financial Performance - For the period from January to September 2025, China Electric Motor reported a revenue of 478 million CNY, reflecting a year-on-year growth of 11.36%, while the net profit attributable to shareholders reached 39.22 million CNY, marking a significant increase of 387.93% [2]. - The company has distributed a total of 544 million CNY in dividends since its A-share listing, with 38.99 million CNY distributed over the past three years [3]. Group 3: Shareholder Information - As of September 30, 2025, the number of shareholders for China Electric Motor increased to 19,400, a rise of 39.57% from the previous period, while the average number of circulating shares per shareholder decreased by 28.35% to 12,143 shares [2]. - Among the top ten circulating shareholders, HSBC Jintrust Small Cap Stock Fund is the fifth largest with 4.91 million shares, an increase of 2.56 million shares from the previous period, while several new shareholders have entered the list [3].

12月29日，东兴证券盘中下跌2.01%，截至10:02，报14.11元/股，成交2.56亿元，换手率0.56%，总市值 456.10亿元。 资金流向方面，主力资金净流出948.13万元，特大单买入1858.14万元，占比7.27%，卖出2127.37万元， 占比8.32%；大单买入6433.50万元，占比25.16%，卖出7112.40万元，占比27.82%。 分红方面，东兴证券A股上市后累计派现50.55亿元。近三年，累计派现12.02亿元。 机构持仓方面，截止2025年9月30日，东兴证券十大流通股东中，国泰中证全指证券公司ETF （512880）位居第四大流通股东，持股5010.41万股，相比上期增加2013.64万股。香港中央结算有限公 司位居第六大流通股东，持股4137.96万股，相比上期减少62.20万股。华宝中证全指证券公司ETF （512000）位居第七大流通股东，持股3175.08万股，相比上期增加856.45万股。南方中证500ETF （510500）位居第九大流通股东，持股2821.12万股，相比上期减少64.63万股。 责任编辑：小浪快报 资料显示，东兴证券股份有限公司位于北京市西城 ...

资料显示，华虹半导体有限公司位于上海张江高科技园区哈雷路288号,香港中环夏悫道12号美国银行中 心2212室，成立日期2005年1月21日，上市日期2023年8月7日，公司主营业务涉及华虹半导体有限公司 是一家主要从事特色工艺晶圆代工的中国投资控股公司。该公司提供包括嵌入式/独立式非易失性存储 器、功率器件、模拟与电源管理、逻辑与射频等多元化特色工艺平台的晶圆代工及配套服务。该公司还 从事提供包括知识产权（IP）设计、测试等配套服务。该公司主要在国内市场从事其业务。主营业务收 入构成为：集成电路晶圆代工94.60%，其他4.78%，租赁收入0.62%。 12月29日，华虹公司涨5.16%，截至发稿，报112.94元/股，成交6.08亿元，换手率1.34%，总市值 1960.64亿元。 从基金十大重仓股角度 数据显示，浙商证券资管旗下1只基金重仓华虹公司。浙商鼎盈事件驱动混合(LOF)（169201）三季度 持有股数4000股，占基金净值比例为5%，位居第三大重仓股。根据测算，今日浮盈赚取约2.22万元。 浙商鼎盈事件驱动混合(LOF)（169201）基金经理为张雷。 截至发稿，张雷累计任职时间291天，现任 ...

12月29日，华虹公司涨5.16%，截至发稿，报112.94元/股，成交5.97亿元，换手率1.32%，总市值 1960.64亿元。 截至发稿，张丽新累计任职时间3年7天，现任基金资产总规模1.48亿元，任职期间最佳基金回报 11.05%， 任职期间最差基金回报3.19%。 责任编辑：小浪快报 中银证券优势制造股票A（011269）成立日期2021年7月8日，最新规模6576.15万。今年以来收益 60.33%，同类排名358/4197；近一年收益50.82%，同类排名488/4180；成立以来收益32.03%。 中银证券优势制造股票A（011269）基金经理为张丽新。 风险提示：市场有风险，投资需谨慎。本文为AI大模型自动发布，任何在本文出现的信息（包括但不 限于个股、评论、预测、图表、指标、理论、任何形式的表述等）均只作为参考，不构成个人投资建 议。 数据显示，中银证券旗下1只基金重仓华虹公司。中银证券优势制造股票A（011269）三季度持有股数 3.52万股，占基金净值比例为4.4%，位居第十大重仓股。根据测算，今日浮盈赚取约19.5万元。 资料显示，华虹半导体有限公司位于上海张江高科技园区哈雷路288 ...

Group 1 - The core viewpoint of the news is that Inspur Information has shown significant stock performance, with a year-to-date increase of 32.64% and a recent uptick of 6.54% over the last five trading days [1] - As of December 29, the stock price reached 68.60 yuan per share, with a total market capitalization of 100.737 billion yuan [1] - The company has seen a net inflow of main funds amounting to 4.9527 million yuan, with large orders contributing significantly to the trading volume [1] Group 2 - Inspur Information, established on October 28, 1998, and listed on June 8, 2000, primarily engages in the development, production, and sales of computer software, hardware, and other information products, with server products accounting for 93.88% of its revenue [2] - The company reported a revenue of 120.669 billion yuan for the period from January to September 2025, reflecting a year-on-year growth of 45.16%, while the net profit attributable to shareholders was 1.482 billion yuan, up 14.51% [2] - As of December 10, the number of shareholders decreased by 2.78% to 350,000, with an average of 4,190 circulating shares per person, which increased by 2.60% [2] Group 3 - Since its A-share listing, Inspur Information has distributed a total of 1.489 billion yuan in dividends, with 646 million yuan paid out in the last three years [3] - The top ten circulating shareholders include significant institutional investors, with notable reductions in holdings observed among several ETFs [3]

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， ...

东方通信所属申万行业为：通信-通信设备-其他通信设备。所属概念板块包括：航天军工、卫星互联 网、5G、中国电科集团、基金重仓等。 东方通信今年以来股价涨39.37%，近5个交易日涨3.19%，近20日涨12.96%，近60日涨18.49%。 今年以来东方通信已经1次登上龙虎榜，最近一次登上龙虎榜为9月11日，当日龙虎榜净买入-8041.10万 元；买入总计1.29亿元 ，占总成交额比8.89%；卖出总计2.10亿元 ，占总成交额比14.43%。 资料显示，东方通信股份有限公司位于浙江省杭州市滨江区东信大道66号，成立日期1996年8月1日，上 市日期1996年11月26日，公司主营业务涉及主要从事通信、金融电子和网络业务。主营业务收入构成 为：智能制造67.51%，信息通信47.39%，金融科技5.45%，其他4.67%，其他(补充)0.07%。 12月26日，东方通信盘中下跌2.02%，截至11:17，报15.51元/股，成交5.06亿元，换手率3.35%，总市值 194.81亿元。 资金流向方面，主力资金净流出2680.15万元，特大单买入2525.23万元，占比4.99%，卖出3810.34万 元，占比 ...

资金流向方面，主力资金净流出3044.30万元，特大单买入1768.56万元，占比5.21%，卖出3772.96万 元，占比11.11%；大单买入7747.35万元，占比22.82%，卖出8787.25万元，占比25.88%。 12月26日，新泉股份盘中下跌2.00%，截至11:16，报65.06元/股，成交3.40亿元，换手率1.01%，总市值 331.90亿元。 新泉股份所属申万行业为：汽车-汽车零部件-汽车电子电气系统。所属概念板块包括：奇瑞汽车概念、 汽车零部件、基金重仓、新能源车、增持回购等。 截至9月30日，新泉股份股东户数1.80万，较上期增加73.59%；人均流通股27368股，较上期减少 41.88%。2025年1月-9月，新泉股份实现营业收入114.13亿元，同比增长18.83%；归母净利润6.23亿元， 同比减少9.19%。 分红方面，新泉股份A股上市后累计派现9.46亿元。近三年，累计派现4.39亿元。 机构持仓方面，截止2025年9月30日，新泉股份十大流通股东中，永赢先进制造智选混合发起A （018124）位居第三大流通股东，持股923.33万股，为新进股东。中欧数字经济混合发起A ...