翱捷科技12月1日公告称，股东阿里巴巴（中国）网络技术有限公司于2025年11月24日至12月1日通过集 中竞价及大宗交易方式减持公司股份543.9万股，占公司总股本的比例由13.99%减少至12.69%，权益变 动触及1%刻度。本次权益变动属于股东主动减持，不触及要约收购，不会导致公司实际控制人发生变 化，不会对公司治理结构及持续经营产生重大影响。 ...

格隆汇12月1日丨翱捷科技(688220.SH)公布，于2025年12月1日收到股东阿里巴巴（中国）网络技术有 限公司出具的《关于股东权益变动比例触及1%刻度的通知》，2025年11月24日至2025年12月1日，阿里 巴巴（中国）网络技术有限公司通过集中竞价及大宗交易方式减持公司股份543.9万股，占公司总股本 的比例由13.99%减少至12.69%，权益变动触及1%刻度。 ...

Core Points - Aojie Technology (688220.SH) announced that Alibaba (China) Network Technology Co., Ltd. reduced its shareholding by 5,439,008 shares from November 24 to December 1, 2025, decreasing its ownership from 13.99% to 12.69% [1] - The reduction in shareholding is classified as a voluntary reduction by the shareholder and does not trigger a mandatory takeover bid [1] - This change in equity does not affect the actual control of the company, nor does it have a significant impact on the company's governance structure or ongoing operations [1]

格隆汇12月1日丨翱捷科技(688220.SH)公布，于2025年12月1日收到股东阿里巴巴（中国）网络技术有 限公司出具的《关于股东权益变动比例触及1%刻度的通知》，2025年11月24日至2025年12月1日，阿里 巴巴（中国）网络技术有限公司通过集中竞价及大宗交易方式减持公司股份543.9万股，占公司总股本 的比例由13.99%减少至12.69%，权益变动触及1%刻度。 ...

Quantitative Models and Construction Methods 1. Model Name: Liquidity Impact Coefficient Model - **Model Construction Idea**: This model measures the liquidity impact of index adjustments on individual stocks by calculating the ratio of net fund flows to the stock's recent average daily trading volume[12][13] - **Model Construction Process**: The liquidity impact coefficient for a stock is calculated as follows: $$ impact_{i} = \sum_{k=1}^{N} \frac{\Delta weight_{k,i} \times AUM_{k}}{amt\_avg_{i,20}} $$ - \( \Delta weight_{k,i} \): Estimated weight change of stock \( i \) in index \( k \) - \( AUM_{k} \): Total assets under management of passive products tracking index \( k \) as of the end of November - \( amt\_avg_{i,20} \): Average daily trading volume of stock \( i \) over the past 20 trading days as of the end of November[12][13] - **Model Evaluation**: The model provides a quantitative framework to estimate short-term liquidity shocks caused by index adjustments, but it is subject to data discrepancies and assumptions, which may lead to deviations from actual results[13] --- Model Backtesting Results Liquidity Impact Coefficient Model - **Top 5 Stocks with Highest Positive Impact Coefficients**: - Zhangjiagang Bank (002839 CH): 11.55[15] - Jiangzhong Pharmaceutical (600750 CH): 11.44[15] - Tower Group (002233 CH): 11.04[15] - Jichuan Pharmaceutical (600566 CH): 10.14[15] - Zhengbang Technology (002157 CH): 9.99[15] - **Top 5 Stocks with Highest Negative Impact Coefficients**: - Shenzhen Expressway (600548 CH): -24.95[16] - Vanward Electric (002543 CH): -20.90[16] - Aviation Materials (688563 CH): -14.06[16] - Huaxi Biology (688363 CH): -10.81[16] - Ninghu Expressway (600377 CH): -10.54[16] --- Quantitative Factors and Construction Methods 1. Factor Name: Net Fund Flow Factor - **Factor Construction Idea**: This factor estimates the net fund inflow or outflow for stocks due to index adjustments, based on changes in index weights and the total AUM of passive products tracking the index[9][10] - **Factor Construction Process**: - Outflow Amount: Total AUM of linked products multiplied by the stock's actual weight in the index as of the end of November - Inflow Amount: Total AUM of linked products multiplied by the estimated weight of the stock in the index post-adjustment - Weight estimation is based on free-float market capitalization and index-specific weighting rules, such as dividend yield weighting or market capitalization weighting[9][10] - **Factor Evaluation**: The factor provides a transparent and systematic approach to estimate fund flows, but it is sensitive to assumptions about future index weights and AUM changes[9][10] --- Factor Backtesting Results Net Fund Flow Factor - **Top 5 Stocks with Highest Net Fund Inflows**: - Victory Precision (300476 CH): 112.61 billion CNY[10] - Dongshan Precision (002384 CH): 99.32 billion CNY[10] - Guangqi Technology (002625 CH): 77.81 billion CNY[10] - Sugon Information (603019 CH): 65.44 billion CNY[10] - Top Group (601689 CH): 53.07 billion CNY[10] - **Top 5 Stocks with Highest Net Fund Outflows**: - China Mobile (600941 CH): -40.02 billion CNY[11] - CRRC Corporation (601766 CH): -36.40 billion CNY[11] - Aluminum Corporation of China (601600 CH): -34.29 billion CNY[11] - TCL Zhonghuan (002129 CH): -30.07 billion CNY[11] - Huagong Tech (000988 CH): -27.44 billion CNY[11]

Core Viewpoint - Multiple indices in the A-share market are undergoing significant adjustments, with announcements made by the Shanghai and Shenzhen Stock Exchanges regarding changes to sample stocks in various indices [2][4]. Group 1: Index Adjustments - On November 28, the Shanghai Stock Exchange announced adjustments to the sample stocks of the Shanghai 50, Shanghai 180, Shanghai 380, and Sci-Tech 50 indices, effective after the market closes on December 12, 2025 [4][14]. - The Shanghai 50 index will replace four stocks, including the addition of SAIC Motor, Northern Rare Earth, Huadian New Energy, and Zhongke Shuguang, while Poly Development, China Mobile, China Aluminum, and CRRC will be removed [5][17]. - The Sci-Tech 50 index will replace two stocks, adding Aojie Technology and Shengke Communication, while Huaxi Biotechnology and Hangcai Co. will be removed [5][6]. Group 2: Shenzhen Stock Exchange Adjustments - The Shenzhen Stock Exchange announced that it will implement regular sample stock adjustments for the Shenzhen Component Index, ChiNext Index, Shenzhen 100, and ChiNext 50 on December 15, 2025 [6][14]. - The Shenzhen Component Index will add 17 stocks, including Tuowei Information, Sifang Jingchuang, and Wolong Nuclear Materials, while Guoyao Yizhi, Haide Shares, and Tibet Mining will be removed [6][7]. Group 3: Additional Index Changes - The ChiNext Index will add eight stocks, including Shuanglin Co., Changshan Pharmaceutical, and Changsheng Bearing [9][11]. - The CSI 300, CSI 500, and other indices will also undergo adjustments, with the CSI 300 replacing 11 stocks, including Huadian New Energy and Shenghong Technology, while removing FAW Liberation and Oppein Home [16][17]. - The CSI 500 index will replace 50 stocks, the CSI 1000 index will replace 100 stocks, and the CSI A50 and A100 indices will replace 4 and 6 stocks respectively [17].

Core Insights - The report provides a summary of recommended stocks across various industries for December 2025, highlighting investment logic and potential growth opportunities for each company [2]. Industry Summaries Construction - Shenghui Integrated (603163.SH) is a Taiwanese cleanroom engineering service provider and a core engineering supplier for Google's TPU, poised to benefit from TSMC's expansion in the U.S. with potential orders from TSMC Arizona and multiple North American data centers [2]. Banking - China Merchants Bank (600036.SH) is expected to attract investors due to its stable operations and a projected dividend yield of 4.62% for the 2024 annual report, with increased demand for low-volatility stocks as market fluctuations rise [2]. Electronics - Aojie Technology (688220.SH) is positioned to benefit from the AI trend, with its unique 2-5G full-standard cellular communication capabilities and strong ASIC customization experience, which are expected to drive growth in wearable technology and other applications [2]. Power Equipment and New Energy - Delijia (603092.SH) maintains a leading market share in wind power main gearboxes, with a projected global market size of $11.563 billion by 2030 and a compound annual growth rate of 5.10% from 2024 to 2030, indicating stable growth prospects [2]. Basic Chemicals - Yaqi International (000893) is set to increase its potash fertilizer production capacity significantly, benefiting from a rising global potash market [2]. Agriculture, Forestry, Animal Husbandry, and Fishery - Youran Dairy (9858.HK), a leading global dairy farming company, is expected to benefit from rising milk prices and beef prices, leading to improved performance [2]. Internet - Alibaba (9988.HK) is experiencing accelerated growth in cloud revenue, with a 34% year-on-year increase in FY26Q2, and is expected to continue improving profitability through enhanced user engagement and AI integration [2]. Pharmaceuticals - Yifeng Pharmacy (603939.SH) is anticipated to see profit improvements due to ongoing optimization of its store structure and a clear plan for non-pharmaceutical profit growth [2]. Home Appliances - Midea Group (000333.SZ) is focusing on dual-driven strategies in domestic and international markets, with strong cash flow and a favorable dividend yield, despite facing some pressure in Q4 [2]. Non-Bank Financials - Ping An Insurance (601318.SH) is increasing investments in high-quality long-term assets, with potential for valuation improvement as market conditions shift [2].

Core Insights - The report provides a summary of recommended stocks across various industries for December 2025, highlighting investment logic and potential growth opportunities for each company [2]. Industry Summaries Construction - Shenghui Integrated (603163.SH) is a Taiwanese cleanroom engineering service provider and a core engineering supplier for Google's TPU, poised to benefit from TSMC's expansion in the U.S. with potential orders from TSMC Arizona and multiple North American data centers [2]. Banking - China Merchants Bank (600036.SH) is expected to attract investors due to its stable operations and a projected dividend yield of 4.62% for the 2024 annual report, with increased demand for low-volatility stocks as market fluctuations rise [2]. Electronics - Aojie Technology (688220.SH) is positioned to benefit from the AI trend, with its unique 2-5G full-standard cellular communication capabilities and strong ASIC customization experience, which is expected to drive growth in wearable technology [2]. Power Equipment and New Energy - Delijia (603092.SH) maintains a leading market share in wind power main gearboxes, with a projected global market size of $11.563 billion by 2030 and a compound annual growth rate of 5.10% from 2024 to 2030 [2]. Basic Chemicals - Yaqi International (000893) is set to increase its potash fertilizer production capacity significantly, benefiting from a rising global potash market [2]. Agriculture, Forestry, Animal Husbandry, and Fishery - Youran Dairy (9858.HK), a leading global dairy farming company, is expected to benefit from rising milk prices and beef price increases, leading to improved performance [2]. Internet - Alibaba (9988.HK) is experiencing accelerated growth in cloud revenue, with a 34% year-on-year increase in FY26Q2, and is expected to continue improving profitability [2]. Pharmaceuticals - Yifeng Pharmacy (603939.SH) is anticipated to see profit improvements due to ongoing optimization of its store structure and a clear planning rhythm for non-pharmaceutical profit increments [2]. Home Appliances - Midea Group (000333.SZ) is advancing its dual-driven strategy, focusing on both B2B and B2C markets, with strong cash flow and a favorable dividend yield, making it an attractive investment [2]. Non-Banking Financials - Ping An Insurance (601318.SH) is increasing investments in high-quality long-term assets, with potential for valuation improvement as market conditions shift [2].

Group 1 - The core point of the news is that Aojie Technology-U experienced significant trading activity on November 26, with a total of 187,500 shares traded, amounting to 15.09 million yuan, at a price of 80.50 yuan, which represents a 12% discount compared to the closing price of the day [2][3] - Institutional specialized seats participated in all three transactions, resulting in a net purchase of 15.09 million yuan [2] - Over the past three months, Aojie Technology-U has recorded a total of 71 block trades, with a cumulative transaction amount of 633 million yuan [2] Group 2 - The latest margin financing balance for Aojie Technology-U is 649 million yuan, showing a decrease of 38.85 million yuan over the past five days, which is a decline of 5.65% [3] - Aojie Technology Co., Ltd. was established on April 30, 2015, with a registered capital of 4.18300889 billion yuan [3] - On the same day, Aojie Technology-U's closing price was 91.48 yuan, reflecting a 4.44% increase, with a turnover rate of 2.90% and a total transaction amount of 956 million yuan, alongside a net inflow of main funds amounting to 61.58 million yuan [2]

| 交易日期 | 证券調移 | 证券代码 | | 成交价(元) 成交金额(万元) 成交量(*) 买入营业部 | | | 类出管业部 | 是否为专场 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2025-11-26 | 腿捷科技 | 688220 | 80.5 | 503.13 6.25 | 机构专用 | 最新版 | | 종 | | 2025-11-26 | 明捷科技 | 688220 | 80.5 | 201.25 2.5 | 机构专用 | 2007 11:30 | | 종 | | 大宗交易信息 | | | | | | | | | | 股票基金信息 | | | | | | | | | | 交易日期 | 证券商标 | 证券代码 | 成交价(元) | 成交金额[万元) 成交量(*) 买入营业部 | | | 卖出营业部 | 是否为专场 | | 2025-11-26 | 朗捷科技 | 688220 | 80.5 | 805 10 | 机构专用 | 日常委员 武汉特联 | | ਨੂੰ | 11月26日，翱捷科技大宗交易成交18.75万股，成交额 ...