Market Overview - The A-share market experienced a significant adjustment, with all three major indices declining over 2% [1][4] - The Shanghai Composite Index closed at 4015.75, down 2.48%, while the Shenzhen Component Index fell 2.69% to 13824.35 [2] Sector Performance - The top-performing sectors included Food & Beverage (+1.11%), Banks (+0.17%), and Household Appliances (-0.49%) [3] - Conversely, the worst-performing sectors were Non-ferrous Metals (-7.62%), Steel (-5.93%), and Basic Chemicals (-5.69%) [3] Market Sentiment and Outlook - The market showed a broad decline, with over 4600 stocks falling, and 123 stocks hitting the daily limit down [6] - The report indicates that the market sentiment has cooled significantly, with expectations of continued volatility in February [6] - Despite the current downturn, there is an expectation that the overall index adjustment space is limited, and stabilization may occur around the Chinese New Year [6] Economic Indicators - The manufacturing PMI for January was reported at 49.3, indicating a contraction, while the non-manufacturing business activity index was at 49.4, also showing a decline [5] - The report highlights that some small and medium-sized banks have begun reducing deposit rates, which may set the stage for broader interest rate cuts by the central bank [6]

- The DecompGRU model was used to construct a weekly long-only stock selection portfolio, holding the top 200 stocks with the highest integrated scores equally weighted The portfolio is rebalanced weekly based on the updated factor values from the previous Friday's closing prices Stocks with price limits or suspension are excluded, and transaction costs are not considered The benchmark is the CSI All Share Equal Weight Index[8][10] - The DecompGRU model's individual stock scores were aggregated to construct an ETF rotation portfolio The ETF pool is limited to industry and thematic ETFs, retaining only the ETF with the highest average daily trading volume over the past five days if multiple ETFs track the same index The portfolio is rebalanced weekly, holding 2-6 ETFs per period, with a benchmark of the Wind Thematic ETF Index[11][13] - A sentiment factor was constructed using user behavior data from Tonghuashun, aggregating stock-level heat indicators (browsing, watchlist, and click counts) normalized as a percentage of the total market and scaled by 10,000 This aggregated heat indicator serves as a proxy for "sentiment heat" at the broad-based index, industry, and concept levels[15][19][28] - A simple rotation strategy was built based on the weekly heat change rate (MA2) of broad-based indices, buying the index with the highest heat change rate on the last trading day of each week If the "Others" group has the highest change rate, the strategy remains in cash The strategy achieved an annualized return of 8.74% since 2017, with a maximum drawdown of 23.5%[21][24] - A concept-level sentiment strategy was constructed by selecting the top 5 concepts with the highest weekly heat change rates, excluding the bottom 20% of stocks by market capitalization within each concept From each concept, the top 10 stocks by total heat were equally weighted to form the "TOP" portfolio, while the bottom 10 stocks formed the "BOTTOM" portfolio The BOTTOM portfolio achieved an annualized return of 15.71% with a maximum drawdown of 28.89%[39][41][42] - The DecompGRU TOP200 portfolio achieved a cumulative absolute return of 74.91% and an excess return of 38.96% relative to the CSI All Share Equal Weight Index since its inception on March 31, 2025 The portfolio's maximum drawdown was 10.08%, with a weekly win rate of 68.18% and a monthly win rate of 100% In January 2026, the portfolio's absolute return was 8.99%, with an excess return of 0.98%[10] - The ETF rotation portfolio achieved a cumulative absolute return of 40.08% and an excess return of 5.93% relative to the Wind Thematic ETF Index since its inception on March 18, 2025 The portfolio's maximum drawdown was 7.82%, with a weekly win rate of 64.44% and a monthly win rate of 70% In January 2026, the portfolio's absolute return was 10.98%, with an excess return of 3.37%[13][14] - The broad-based index heat momentum strategy achieved a cumulative return of 6.6% in 2026[24] - The concept-level sentiment BOTTOM portfolio achieved a cumulative return of 3.7% in 2026[42]

Core Insights - The A-share market experienced fluctuations with the Shanghai Composite Index falling by 0.96% to 4117.95 points, while the Shenzhen Component Index decreased by 0.66%. The ChiNext Index, however, rose by 1.27% [1][7] - The total trading volume in the A-share market was 2.86 trillion RMB, with nearly 2900 stocks declining. The communication sector led the gains, while the non-ferrous metals sector saw the largest losses [1][7] - In the Hong Kong market, the Hang Seng Index dropped by 2.08%, and the Hang Seng Tech Index fell by 2.1%. In the overseas markets, all three major U.S. stock indices declined, with the Dow Jones down by 0.36%, the S&P 500 down by 0.43%, and the Nasdaq down by 0.94% [1][7] Important News - The Central Committee of the Communist Party of China emphasized the acceleration of the new round of technological revolution and industrial transformation, highlighting the importance of leveraging comparative advantages to promote breakthroughs in future industries [2][8] - The National Bureau of Statistics reported that the manufacturing PMI for January was 49.3%, a decrease of 0.8 percentage points month-on-month. The non-manufacturing PMI also fell to 49.4%, indicating a decline in business activity due to seasonal factors and insufficient market demand [2][8] Sector Analysis - In the social services sector, the proportion of heavy positions in funds increased, with 286 funds holding shares, up by 109 from the previous quarter. The total market value of holdings reached 5.57 billion RMB, an increase of 0.975 billion RMB [9][10] - The heavy position ratio for the social services sector was 0.06%, up by 0.01 percentage points, ranking 27th among 31 sectors, indicating potential for rebound as it remains below the 5-year average of 0.34% [9][10] - The hospitality and restaurant sectors showed slight recovery, while the education sector saw a significant decline in heavy position ratios [9][10] Individual Stocks - Leading stocks in the social services sector saw increased holdings, with the top ten stocks' combined heavy position ratio rising to 0.058%, an increase of 0.013 percentage points from the previous quarter. Notable stocks include Huace Testing, Shoulv Hotel, and JiuHua Tourism [10][11] - The report suggests focusing on companies benefiting from the upcoming long holiday and those positioned to take advantage of the Hainan Free Trade Port's opportunities [11] Beauty and Personal Care Sector - The beauty and personal care sector saw a decrease in fund allocation, with the total market value of A-shares at 255.096 billion RMB, down by 10.43% from the previous quarter. The fund allocation ratio was 0.14%, a decrease of 0.06 percentage points [12][13] - The personal care and cosmetics segments remain in a low allocation zone, while the medical beauty segment is in an over-allocated position [12][13] - Key stocks in the beauty and personal care sector include Jinbo Biological, Aimeike, and Baiya Shares, with their heavy position ratios declining compared to the previous quarter [14]

证券研究报告 2026 年 2 月 2 日 星期一 【A 股市场大势研判】 A 股大小指数分化，沪指跌近 1% 市场表现： | 指数名称 | 收盘点位 | 涨跌幅 | 涨跌 | 上证指数分时图 | | --- | --- | --- | --- | --- | | 上证指数 | 4117.95 | -0.96% | -40.04 | | | 深证成指 | 14205.89 | -0.66% | -94.18 | | | 沪深 300 | 4706.34 | -1.00% | -47.53 | | | 创业板 | 3346.36 | 1.27% | 41.84 | | | 科创 50 | 1509.40 | 0.12% | 1.76 | | | 北证 50 | 1531.55 | -0.29% | -4.45 | | 资料来源：东莞证券研究所，iFinD 数据 板块排名： | 申万行业表现前五 | | | 申万行业表现后五 | 概 | 念板块表现前五 | 概念板块表现后五 | | | --- | --- | --- | --- | --- | --- | --- | --- | | 通信 | 3.44% | ...

- Quantitative model and factor construction - Model name: None mentioned - Factor name: None mentioned - Model backtesting results - None mentioned - Factor backtesting results - None mentioned

Strong Stocks - As of January 30, the Shanghai Composite Index fell by 0.96% to 4117.95 points, while the Shenzhen Component Index decreased by 0.66% to 14205.89 points. The ChiNext Index, however, rose by 1.27% to 3346.36 points [1] - A total of 59 stocks in the A-share market hit the daily limit up. The top three strong stocks based on current consecutive limit-up counts and daily trading data are: Tiandi Online (002995), Hunan Gold (002155), and Tianqi Co., Ltd. (002009) [1] - The detailed data for the top 10 strong stocks includes: - Tiandi Online (002995): 10 days with 6 limit-ups, turnover rate of 50.9%, and a price increase of 19.1% - Hunan Gold (002155): 5 consecutive limit-ups, turnover rate of 23.32%, and a price increase of 134.1% - Tianqi Co., Ltd. (002009): 5 days with 3 limit-ups, turnover rate of 26.8%, and a price increase of 25.8% [1] Strong Concept Sectors - The top three concept sectors with the highest increase in A-shares are: Genetically Modified Organisms (GMO), Soybeans, and Corn [2] - The detailed data for the top 10 concept sectors includes: - Genetically Modified Organisms: 4.25% increase - Soybeans: 2.97% increase - Corn: 2.65% increase [3]

今天，A股1月行情收官。1月，上证指数累计上涨3.76%，深证成指累计上涨5.03%，创业板指累计上涨4.47%。 对于今天市场热点的转换，市场分析认为，近期，多因素共振推动资金加速流入贵金属板块。当前，由于短期涨幅过大，部分机构提示追高风险。目前贵 金属板块市场热度较高，情绪趋于回归理性，资金在避险与成长之间寻求再平衡，部分投资者开始转向低位科技板块。 截至收盘，上证指数跌0.96%，深证成指跌0.66%，创业板指涨1.27%。 板块方面，转基因、种植业与林业、大豆、造纸、光纤概念、共封装光学（CPO）等板块涨幅居前，贵金属、有色金属、油气开采及服务等板块调整。 从板块表现看，有色金属与科技主线贯穿全月，呈现交替领涨格局。贵金属板块表现亮眼。科技股方面，AI应用板块表现强势；商业航天板块反复活 跃。 个股方面，科技股反弹，科创新源（300731）午后"20CM"涨停、天奇股份（002009）走出"5天3板"；湖南黄金（002155）实现"5连板"；多只粮食概念股 走高，登海种业（002041）、敦煌种业（600354）等股涨停。 A股三大指数今天走势分化，创业板指午后持续走强，盘中一度涨近2%，近日大热的贵 ...

Core Viewpoint - The stock of Dabeinong experienced a decline of 2.15% on January 27, with a trading price of 4.10 yuan per share and a total market capitalization of 17.63 billion yuan. The company has shown a year-to-date stock price increase of 2.50% and a net outflow of main funds amounting to 19.13 million yuan [1]. Group 1: Financial Performance - As of September 30, Dabeinong reported a revenue of 20.744 billion yuan for the first nine months of 2025, reflecting a year-on-year growth of 2.99%. The net profit attributable to shareholders was 257 million yuan, marking a significant increase of 92.56% [2]. - The company has distributed a total of 4.068 billion yuan in dividends since its A-share listing, with 792 million yuan distributed over the past three years [3]. Group 2: Shareholder and Market Activity - The number of shareholders for Dabeinong decreased by 5.84% to 227,400, while the average number of circulating shares per person increased by 6.20% to 15,500 shares [2]. - Among the top ten circulating shareholders, the Guotai Zhongzheng Livestock Breeding ETF holds 76.9872 million shares, an increase of 27.7636 million shares compared to the previous period. Other notable shareholders include Hong Kong Central Clearing Limited and Southern Zhongzheng 500 ETF, with respective increases and decreases in holdings [3].

Core Insights - The A-share market saw collective gains last Friday, with the Shanghai Composite Index rising by 0.33%, the Shenzhen Component Index by 0.79%, and the ChiNext Index by 0.63%. The total trading volume in the Shanghai and Shenzhen markets reached 30,849.73 billion yuan [1][7] - In terms of industry performance, power equipment, non-ferrous metals, and national defense sectors led the gains, while communication, banking, and coal sectors lagged behind. Concept sectors such as BC batteries, perovskite batteries, and TOPCON battery concepts showed significant increases, while corn, Tonghuashun overseas 50, and soybean concepts experienced declines [1][7] Important News - Beijing has released measures to promote the development and utilization of commercial satellite remote sensing data resources from 2026 to 2030. The measures encourage capable enterprises to engage in mergers and acquisitions within the satellite data industry, aiming to create globally competitive leading enterprises [2][8] Industry Analysis - A joint document from nine government departments encourages horizontal mergers and acquisitions in the pharmaceutical retail sector. This initiative aims to enhance the professional services and health promotion functions of the pharmaceutical retail industry, establishing a better service platform for public health needs [3][9] - The document outlines several key policies, including optimizing the service of designated retail pharmacies, promoting participation in centralized drug procurement, and encouraging the integration of pharmaceutical wholesale and retail businesses. It also supports the development of commercial health insurance products tailored to the pharmaceutical retail sector [10][11] - The policy emphasizes support for prescription outflow, collaboration between retail and commercial insurance, and encourages the consolidation of retail pharmacies. This is expected to benefit leading companies in the pharmacy sector and open a window for industry consolidation [13]

Core Viewpoint - Yuntianhua's stock price has shown fluctuations, with a recent decline of 2.01% on January 8, 2025, while the company has experienced a year-to-date increase of 3.86% [1][2]. Group 1: Stock Performance - As of January 8, 2025, Yuntianhua's stock price is reported at 34.70 CNY per share, with a total market capitalization of 632.58 billion CNY [1]. - The stock has increased by 2.60% over the last five trading days, 12.48% over the last 20 days, and 19.94% over the last 60 days [2]. Group 2: Financial Performance - For the period from January to September 2025, Yuntianhua achieved a revenue of 375.99 billion CNY, representing a year-on-year decrease of 19.53%, while the net profit attributable to shareholders increased by 6.89% to 47.29 billion CNY [2]. Group 3: Business Overview - Yuntianhua, established on July 2, 1997, and listed on July 9, 1997, is primarily engaged in the production of fertilizers, phosphate mining, and organic chemicals [2]. - The company's revenue composition includes phosphate fertilizers (27.99%), commodity grains (19.87%), compound fertilizers (12.51%), and urea (10.28%), among others [2]. Group 4: Shareholder Information - As of September 30, 2025, Yuntianhua had 106,200 shareholders, a decrease of 1.03% from the previous period, with an average of 17,165 circulating shares per shareholder, an increase of 1.04% [2]. - The second-largest circulating shareholder is Hong Kong Central Clearing Limited, holding 121 million shares, a decrease of 10.9 million shares from the previous period [3].