Yuan Da Xin Xi·2025-12-01 11:06Group 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, United Imaging Healthcare, Aibo Medical, and Kaiying Network [11][12] - In the last 5 days, the most researched companies include Jerry Holdings, Fule New Materials, ST Huaton, Kaiying Network, and Jing Sheng Machinery [11][13] - Among the top twenty companies in the last 30 days, 18 companies had 10 or more rating agencies involved, with significant profit growth expected for companies like Jiao Cheng Ultrasound, Nine Company-WD, United Imaging Healthcare, and Lanke Technology in Q1-Q3 of 2025 compared to the same period in 2024 [11][12][14] Group 2: Shareholder Increase in A-Share Listed Companies - From November 24 to November 28, 2025, six listed companies announced significant shareholder increases, with Wanrun Co., Zhongchumai, and Lega Co. planning to increase their holdings by amounts that exceed 1% of the market value on the announcement date [3][18] - From January 1 to November 28, 2025, a total of 299 companies announced shareholder increases, with 75 of them having 10 or more rating agencies involved. Among these, 18 companies had planned increases that exceeded 1% of their market value [5][20] Group 3: Share Buyback Situations in A-Share Listed Companies - From November 24 to November 28, 2025, 83 companies announced buyback progress, with 23 of them having 10 or more rating agencies involved. Six companies had buyback amounts that exceeded 1% of their market value on the announcement date, including Zhongkong Technology, Aters, Naxinwei, and Petty Co. [4][24] - From January 1 to November 28, 2025, a total of 1,814 companies announced buyback progress, with 349 of them having 10 or more rating agencies involved. Among these, 89 companies had buyback amounts that exceeded 1% of their market value [6][25]