Yuan Da Xin Xi·2025-07-01 02:04Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest institutional research activity in the past 30 days include Huichuan Technology, Ice Wheel Environment, Boshi Jie, Fuguang Co., Ltd., Huhua Electronics, Guilin Sanjin, and Yapu Co., Ltd. [12] - In the last five days, the most researched companies were Huhua Electronics, Guilin Sanjin, Ice Wheel Environment, Mankalon, Xingrong Environment, and Laibotai Technology [12] - Among the top twenty companies in the past 30 days, Huichuan Technology and Huhua Electronics had ten or more rating agencies involved, with Huhua Electronics expected to see significant growth in net profit for 2024 compared to 2023 [12][13] Group 2: Major Shareholder Increase in A-Share Companies - From June 23 to June 27, 2025, seven companies announced significant shareholder increases, with four having ten or more rating agencies involved. Yangmei Chemical was the only company where the average proposed increase amount exceeded 1% of the market value on the announcement date [15] - From January 1 to June 27, 2025, a total of 234 companies announced shareholder increases, with 209 having ten or more rating agencies involved. Nineteen companies had proposed increase amounts exceeding 1% of the market value, including Xinji Energy, Tunnel Shares, Sailun Tires, and Wanrun Shares [16] Group 3: A-Share Company Buyback Activity - Between June 23 and June 27, 2025, 118 companies announced buyback progress, with 20 having ten or more rating agencies involved. Companies like Puluo Pharmaceutical, Xiamen Xiangyu, Baolong Technology, Longsheng Technology, LiuGong, and Newland had buyback amounts exceeding 1% of the market value on the announcement date [19] - From January 1 to June 27, 2025, 1,551 companies announced buyback progress, with 341 having ten or more rating agencies involved. Ninety-five companies had buyback amounts exceeding 1% of the market value, including LiuGong, Longbai Group, Sanofi Biological, and others [21]