Market Overview - The U.S. stock market opened higher but later declined, with the Nasdaq down 0.71%, the Dow Jones up 0.13%, and the S&P 500 also turning negative, with over 3,200 stocks declining [1] - The average daily trading volume in the U.S. stock market reached a record $1.03 trillion in January, a 50% increase compared to the same period in 2025, with over 19 billion shares traded daily, marking the second-highest in history [8] Employment Data - The number of initial jobless claims in the U.S. last week was reported at 227,000, slightly above the forecast of 224,000 and down from the previous week's 231,000 [3] Technology Sector Performance - The performance of the "Magnificent Seven" tech stocks was mixed, with Nvidia and Google slightly up by 0.1%, while Tesla, Microsoft, Meta, Amazon, and Apple saw declines, with Apple dropping nearly 2% and its market capitalization falling below $4 trillion [3] - The semiconductor sector showed volatility, with stocks like SanDisk rising over 5% and Micron Technology up over 2%, while other tech stocks faced declines [3][4] Hedge Fund Activity - Hedge funds have significantly increased their short positions in U.S. stocks, with the nominal short selling of individual stocks reaching the highest level since 2016, as concerns over AI's disruptive potential have led to market volatility [9] - The technology sector, particularly software stocks, experienced the most significant sell-off, with net outflows reaching the second-highest level in five years, while semiconductor stocks saw some net buying [10][11] Defensive Sector Rotation - Hedge funds are rotating into defensive sectors, with healthcare becoming the most net bought sector last week, surpassing industrials as the preferred destination for fund inflows this year [11]

Core Viewpoint - The company Jinzhengdai (002470) has shown a slight increase in stock price but is experiencing significant net outflow of funds, indicating potential concerns about future performance [1]. Financial Performance - As of the third quarter of 2025, the company reported a revenue of 7.319 billion yuan, reflecting a year-on-year growth of 14.44%. However, it also reported a net loss attributable to shareholders of 29.4764 million yuan [1]. Recent Events - Future performance may hinge on the company's ability to capitalize on policy benefits, particularly the rural revitalization policy's impact on the agricultural chemical products industry. Additionally, the controlled-release technology forum on November 24, 2025, previously catalyzed fund inflows, suggesting that similar technological breakthroughs or industry events could be focal points moving forward [2]. Capital Movements - Currently, the Shenzhen Stock Connect holds 0.21% of the company's circulating shares. The Hong Kong Central Clearing and Settlement System increased its holdings by 2.3025 million shares in the third quarter of 2025, indicating that long-term capital movements are worth monitoring [3].

证券代码：002470 证券简称：金正大 公告编号：2026-001 金正大生态工程集团股份有限公司 登录新浪财经APP 搜索【信披】查看更多考评等级 关于独立董事任职期限届满辞职的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假记载、误导性陈述或重大遗 漏。 金正大生态工程集团股份有限公司（以下简称"公司"）董事会近日收到公司独立董事陈国福先生的书面 辞职报告。至2026年2月10日，陈国福先生在公司连续担任独立董事期限满6年，根据《上市公司独立董 事管理办法》《公司章程》中关于上市公司独立董事任职年限的有关规定，陈国福先生申请自2026年2 月11日起辞去公司第六届董事会独立董事、董事会提名委员会主席（召集人）、董事会战略委员会委员 职务。陈国福先生辞职后，不再担任公司任何职务。 截至本公告披露日，陈国福先生未持有公司股份，不存在应当履行而未履行的承诺事项。 陈国福先生的辞职报告自2026年2月11日起正式生效。陈国福先生辞职不会导致董事会成员低于法定人 数，不会对公司的正常经营运作产生影响，公司将按照法定程序尽快完成独立董事补选工作。 陈国福先生在担任公司独立董事期间独立公正、恪 ...

Core Points - The company announced that independent director Chen Guofu submitted his resignation report to the board of directors [1] - Chen Guofu has served as an independent director for six years, which will be completed on February 10, 2026, in accordance with relevant regulations [1] - Following his resignation, Chen Guofu will no longer hold any positions within the company [1]

Quantitative Factors and Construction Methods - **Factor Name**: Large Order Transaction Amount Ratio **Factor Construction Idea**: This factor captures the buying behavior of large capital by analyzing the proportion of large order transaction amounts in the total daily transaction amount[8] **Factor Construction Process**: 1. Use tick-by-tick transaction data to identify buy and sell orders based on the sequence numbers of bids and asks 2. Filter transactions by order size to identify large orders 3. Calculate the proportion of large buy order transaction amounts in the total daily transaction amount **Formula**: $ \text{Large Order Transaction Amount Ratio} = \frac{\text{Large Buy Order Transaction Amount}}{\text{Total Daily Transaction Amount}} $ **Evaluation**: This factor effectively reflects the buying behavior of large capital[8] - **Factor Name**: Net Active Buy Transaction Amount Ratio **Factor Construction Idea**: This factor measures the active buying behavior of investors by calculating the net active buy transaction amount as a proportion of the total daily transaction amount[8] **Factor Construction Process**: 1. Use tick-by-tick transaction data to classify each transaction as either active buy or active sell based on the buy/sell indicator 2. Subtract the active sell transaction amount from the active buy transaction amount to obtain the net active buy transaction amount 3. Calculate the proportion of the net active buy transaction amount in the total daily transaction amount **Formula**: $ \text{Net Active Buy Transaction Amount Ratio} = \frac{\text{Active Buy Transaction Amount} - \text{Active Sell Transaction Amount}}{\text{Total Daily Transaction Amount}} $ **Evaluation**: This factor provides insights into the active buying tendencies of investors[8] --- Factor Backtesting Results - **Large Order Transaction Amount Ratio**: - Top 10 stocks with the highest 5-day average values: 1. Hanjiang Heshan (603616.SH): 93.5%, 99.2% time-series percentile[10] 2. Minbao Optoelectronics (301362.SZ): 89.7%, 98.4% time-series percentile[10] 3. Hangdian Co., Ltd. (603618.SH): 86.1%, 99.6% time-series percentile[10] 4. Jinzhengda (002470.SZ): 85.2%, 83.9% time-series percentile[10] 5. Guofa Co., Ltd. (600538.SH): 84.9%, 92.4% time-series percentile[10] 6. Shunna Co., Ltd. (000533.SZ): 84.7%, 100.0% time-series percentile[10] 7. Quanzhu Co., Ltd. (603030.SH): 84.6%, 94.4% time-series percentile[10] 8. Beijing Investment Development (600683.SH): 84.5%, 96.0% time-series percentile[10] 9. Chongqing Steel (601005.SH): 84.3%, 52.2% time-series percentile[10] 10. Huadian International (600027.SH): 83.6%, 95.2% time-series percentile[10] - **Net Active Buy Transaction Amount Ratio**: - Top 10 stocks with the highest 5-day average values: 1. Minsheng Bank (600016.SH): 21.1%, 100.0% time-series percentile[11] 2. Kairuide (002072.SZ): 20.3%, 99.6% time-series percentile[11] 3. Intercontinental Oil & Gas (600759.SH): 19.5%, 100.0% time-series percentile[11] 4. Boen Group (001366.SZ): 17.8%, 100.0% time-series percentile[11] 5. Bowan Technology (600883.SH): 17.5%, 99.6% time-series percentile[11] 6. Xiangyou Technology (600476.SH): 16.8%, 99.2% time-series percentile[11] 7. Zhejiang Commercial Bank (601916.SH): 16.8%, 94.4% time-series percentile[11] 8. General Elevator (300931.SZ): 15.9%, 100.0% time-series percentile[11] 9. Weier Pharmaceutical (603351.SH): 15.3%, 94.0% time-series percentile[11] 10. Ruierte (002790.SZ): 15.2%, 98.4% time-series percentile[11]

陈国福先生的辞职报告自 2026 年 2 月 11 日起正式生效。陈国福先生辞职不 会导致董事会成员低于法定人数，不会对公司的正常经营运作产生影响，公司将 按照法定程序尽快完成独立董事补选工作。 陈国福先生在担任公司独立董事期间独立公正、恪尽职守、勤勉尽责，公司 董事会对陈国福先生在担任公司独立董事期间为公司所做的工作及贡献表示衷 心感谢！ 特此公告。 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 金正大生态工程集团股份有限公司（以下简称"公司"）董事会近日收到公 司独立董事陈国福先生的书面辞职报告。至 2026 年 2 月 10 日，陈国福先生在公 司连续担任独立董事期限满 6 年，根据《上市公司独立董事管理办法》《公司章 程》中关于上市公司独立董事任职年限的有关规定，陈国福先生申请自 2026 年 2 月 11 日起辞去公司第六届董事会独立董事、董事会提名委员会主席（召集人）、 董事会战略委员会委员职务。陈国福先生辞职后，不再担任公司任何职务。 截至本公告披露日，陈国福先生未持有公司股份，不存在应当履行而未履行 的承诺事项。 证券代码：002470 证券 ...

Market Performance - The agricultural chemical sector increased by 0.17% on February 4, with Jinzhengdai leading the gains [1] - The Shanghai Composite Index closed at 4102.2, up 0.85%, while the Shenzhen Component Index closed at 14156.27, up 0.21% [1] Individual Stock Performance - Jinzhengdai (002470) closed at 2.03, up 5.73% with a trading volume of 1.79 million shares and a transaction value of 361 million yuan [1] - Hongtaiyang (000525) closed at 5.89, up 4.43% with a trading volume of 393,200 shares and a transaction value of 233 million yuan [1] - Hongda Co. (600331) closed at 16.43, up 2.88% with a trading volume of 761,800 shares and a transaction value of 1.236 billion yuan [1] - Yabeng Chemical (300261) closed at 7.10, up 2.60% with a trading volume of 285,200 shares and a transaction value of 203 million yuan [1] - Other notable stocks include Chitianhua (600227), Yuntu Holdings (002539), and Sichuan Meifeng (000731), all showing positive gains [1] Capital Flow Analysis - The agricultural chemical sector experienced a net outflow of 192 million yuan from institutional investors, while retail investors saw a net inflow of 212 million yuan [2] - The overall net outflow from retail investors was 20.05 million yuan [2] Detailed Capital Flow for Selected Stocks - Salt Lake Co. (000792) had a net inflow of 89.5 million yuan from institutional investors, while retail investors experienced a net outflow of 54.6 million yuan [3] - Jinzhengdai (002470) saw a net inflow of 35.3 million yuan from institutional investors, with retail investors facing a net outflow of 24.0 million yuan [3] - Other stocks like Yuntu Holdings (002539) and Hongtaiyang (000525) also showed varying capital flows, with significant net outflows from retail investors [3]

Market Overview - The agricultural chemical sector experienced a decline of 1.56% on January 29, with Nongda Technology leading the drop [1] - The Shanghai Composite Index closed at 4157.98, up 0.16%, while the Shenzhen Component Index closed at 14300.08, down 0.3% [1] Stock Performance - Notable gainers in the agricultural chemical sector included: - Guangxin Co., Ltd. (Code: 6655209) with a closing price of 15.50, up 10.01% and a trading volume of 779,400 shares, totaling 1.156 billion yuan [1] - Limin Co., Ltd. (Code: 002734) closed at 20.99, up 6.98% with a trading volume of 835,600 shares, totaling 1.696 billion yuan [1] - Major decliners included: - Nongda Technology (Code: 920159) with a closing price of 46.05, down 12.93% and a trading volume of 81,600 shares, totaling 3.81 billion yuan [2] - Zhongnong United (Code: 003042) closed at 22.87, down 10.00% with a trading volume of 455,700 shares [2] Capital Flow - The agricultural chemical sector saw a net outflow of 1.974 billion yuan from institutional investors, while retail investors contributed a net inflow of 1.463 billion yuan [2] - The capital flow for specific stocks showed: - Limin Co., Ltd. had a net inflow of 1.89 billion yuan from institutional investors, but a net outflow of 819.96 million yuan from retail investors [3] - Guangxin Co., Ltd. experienced a net inflow of 139 million yuan from institutional investors, with a net outflow of 668.65 million yuan from retail investors [3]

Group 1 - The core viewpoint of the news is that Jinzhengdai's stock has experienced fluctuations, with a recent decline of 2.08% and a total market value of 6.178 billion yuan [1] - As of January 27, the stock price is reported at 1.88 yuan per share, with a trading volume of 159 million yuan and a turnover rate of 2.53% [1] - The company has seen a year-to-date stock price increase of 5.62%, with a 3.87% rise over the last five trading days [1] Group 2 - Jinzhengdai's main business includes a range of products such as compound fertilizers, controlled-release fertilizers, water-soluble fertilizers, biological fertilizers, and soil conditioners, with the revenue composition being 37.84% from conventional compound fertilizers, 24.73% from phosphate fertilizers, 20.86% from new fertilizers, and 16.38% from raw fertilizers and others [1] - As of September 30, the company reported a revenue of 7.319 billion yuan for the first nine months of 2025, reflecting a year-on-year growth of 14.44%, while the net profit attributable to shareholders was a loss of 29.4764 million yuan, a decrease of 116.36% compared to the previous year [2] - The company has distributed a total of 1.227 billion yuan in dividends since its A-share listing, with no dividends paid in the last three years [3]

（编辑 丛可心） 证券日报网讯 1月23日，金正大在互动平台回答投资者提问时表示，截至目前，公司子公司马路槽磷矿 正处于建设期，正在向相关审批部门办理审批手续，具体投产时间尚存在不确定性，请投资者注意投资 风险。 ...