Yuan Da Xin Xi·2025-11-03 11:28Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest number of institutional research visits in the past 30 days include United Imaging Healthcare, Sanhua Intelligent Controls, and Zhaoyi Innovation [2][13] - In the last five days, the most researched companies include United Imaging Healthcare, Sanhua Intelligent Controls, and Shanghai Jahwa United [2][16] - Among the top twenty companies in the past 30 days, 17 companies had ten or more rating agencies involved, including Zhaoyi Innovation and United Imaging Healthcare [2][13] Group 2: Major Shareholder Increase in A-Share Listed Companies - From October 27 to October 31, 2025, only one company, Yunyi Electric, announced significant shareholder increase progress [3][21] - From January 1 to October 31, 2025, a total of 286 companies announced significant shareholder increases, with 73 having ten or more rating agencies involved [5][21] - Among these, 19 companies had an average proposed increase amount exceeding 1% of the latest market value, including Xianhe Co., New Energy Group, and Zhongju High-tech [5][21] Group 3: A-Share Buyback Situation - From October 27 to October 31, 2025, 126 companies announced buyback progress, with 35 having ten or more rating agencies involved [4][26] - Among these, 10 companies had an average expected buyback amount exceeding 1% of the market value on the announcement date, including Jian Sheng Group and Huafa Co. [4][26] - From January 1 to October 31, 2025, a total of 1,798 companies announced buyback progress, with 347 having ten or more rating agencies involved [6][26]