Yuan Da Xin Xi·2025-06-23 12:00Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest institutional research in the past 30 days include Jun Ding Da, Bo Shi Jie, Si Chuang Electronics, An Pei Long, and Fu Guang Co., Ltd. [1][9] - In the last five days, the most researched companies are Fu Guang Co., Ltd., Jun Ding Da, Bu Ke Co., Ice Wheel Environment, Bo Shi Jie, and Nan Ji Guang [1][10] - Among the top twenty companies in the past 30 days, two companies, An Pei Long and Shen Nan Circuit, had ten or more rating agencies involved, with Shen Nan Circuit expected to see significant growth in net profit for 2024 compared to 2023 [1][9] Group 2: Major Shareholder Increase in A-Share Companies - From June 16 to June 20, 2025, six companies announced significant shareholder increases, with Blue Sky Gas and Dongfang Shenghong having an average proposed increase amount exceeding 1% of their market value on the announcement date [2][11] - From January 1 to June 20, 2025, a total of 228 companies announced shareholder increases, with 62 of them having ten or more rating agencies involved. Notably, 20 companies had an average proposed increase amount exceeding 1% of their market value, including Hubei Yihua, Xinji Energy, Tunnel Co., Sairun Tire, and Wanrun Co. [3][13] Group 3: A-Share Company Buyback Situation - Between June 16 and June 20, 2025, 124 companies announced buyback progress, with ten companies having an average expected buyback amount exceeding 1% of their market value on the announcement date, including Longsheng Technology and Jinfa Technology [2][16] - From January 1 to June 20, 2025, a total of 1,537 companies announced buyback progress, with 342 of them having ten or more rating agencies involved. Among these, 93 companies had an average expected buyback amount exceeding 1% of their market value, with companies like Jiayi Co., Jinfa Technology, Longsheng Technology, Baolong Technology, San Nuo Biology, Longbai Group, Trina Solar, Xinmai Medical, Mousse Co., Hainan Huatie, Xilinmen, and Changhong Meiling in the board proposal stage [3][17]