Yuan Da Xin Xi·2025-12-08 11:07Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest number of institutional research visits in the last 30 days include Luxshare Precision, Huichuan Technology, and Jerry Holdings [13][14] - In the last 5 days, the most researched companies include Jerry Holdings, Tianhua New Energy, and Sanxin Technology [15] - Among the top twenty companies in the last 30 days, 15 companies had 10 or more rating agencies involved, indicating strong institutional interest [13] Group 2: Major Shareholder Increase in A-Share Companies - From December 1 to December 5, 2025, five A-share companies announced significant shareholder increases, with Jiangsu Shentong and Hengyi Petrochemical planning increases that exceed 1% of their market value on the announcement date [20][21] - From January 1 to December 5, 2025, a total of 304 companies reported shareholder increases, with 76 having 10 or more rating agencies involved [22][23] Group 3: A-Share Company Buyback Situations - From December 1 to December 5, 2025, 163 companies announced buyback progress, with 46 having 10 or more rating agencies involved [26][27] - The companies with significant buyback plans include Jian Sheng Group, Liangxin Co., and Zhizhong Home, with buyback amounts exceeding 1% of their market value on the announcement date [26][27] - From January 1 to December 5, 2025, 1,822 companies reported buyback progress, with 353 having 10 or more rating agencies involved [28][29]