
Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest number of institutional research visits in the past 30 days include Mindray Medical, Huichuan Technology, Crystal Optoelectronics, Jing Sheng Machinery, and United Imaging Medical [13][15] - In the last five days, the most popular companies for institutional research include Jepu Te, Gan Li Pharmaceutical, Shiji Information, Guangri Co., and Nenghui Technology [13][14] - Among the top twenty companies in the past 30 days, 18 companies had ten or more rating agencies, with significant profit growth expected for Lankai Technology, Desai Xiwei, and Huichuan Technology in their 2025 mid-year reports compared to 2024 [13][16] Group 2: Shareholder Increase in A-Share Listed Companies - From September 15 to September 19, 2025, three listed companies announced significant shareholder increases, including Sierte, Qilu Bank, and Wuzhou Transportation, with Wuzhou Transportation's planned increase amount exceeding 1% of the market value on the announcement date [20][21] - From January 1 to September 19, 2025, a total of 271 companies announced shareholder increases, with 83 of them having ten or more rating agencies. Among these, 22 companies had planned increase amounts exceeding 1% of their market value [22][23] Group 3: Share Buyback Situations in A-Share Listed Companies - From September 15 to September 19, 2025, 69 companies announced buyback progress, with 25 of them having ten or more rating agencies. Five companies, including Jian Sheng Group, Huafa Co., Ninebot Inc., Wens Foodstuff Group, and Jiayi Co., had buyback amounts exceeding 1% of their market value [27][29] - From January 1 to September 19, 2025, a total of 1,739 companies announced buyback progress, with 420 having ten or more rating agencies. Among these, 107 companies had buyback amounts exceeding 1% of their market value [28][30]