Yuan Da Xin Xi·2025-11-24 14:07Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest number of institutional research visits in the last 30 days include United Imaging Healthcare, Lens Technology, Aibo Medical, Sanhua Intelligent Control, and Zhaoyi Innovation [2][13] - In the last 5 days, the most popular companies for institutional research include Ninebot Company-WD, Rongbai Technology, Lens Technology, Yintong Intelligent Control, and Yinglian Co., Ltd [2][15] - Among the top twenty companies in the last 30 days, 19 companies had 10 or more rating agencies involved, with significant profit growth expected for Jiao Cheng Ultrasound, Lanke Technology, and United Imaging Healthcare in Q1-Q3 of 2025 compared to the same period in 2024 [2][13][16] Group 2: Major Shareholder Increase in A-Share Listed Companies - From November 17 to November 21, 2025, five listed companies announced significant shareholder increases, with Changshu Bank increasing its shareholding by more than 1% of total equity, while Huangtai Liquor, Longlide, Fuguang Co., and Feiwo Technology planned to increase their holdings with an average of more than 1% of the market value on the announcement date [3][20] - From January 1 to November 21, 2025, a total of 295 companies announced significant shareholder increases, with 90 of them having 10 or more rating agencies involved. Among these, 23 companies had an average planned increase amount exceeding 1% of the market value on the announcement date, including Xianhe Co., Hubei Yihua, Xinji Energy, and Zhongju Gaoxin [5][22] Group 3: Share Buyback Situation in A-Share Listed Companies - From November 17 to November 21, 2025, 65 companies announced their buyback progress, with 16 companies having 10 or more rating agencies involved. Five companies had an average planned buyback amount exceeding 1% of the market value on the announcement date, with a focus on Jian Sheng Group, Trina Solar, and Prologis Pharmaceuticals [4][25] - From January 1 to November 21, 2025, a total of 1,805 companies announced their buyback progress, with 344 of them having 10 or more rating agencies involved. Among these, 88 companies had a significant buyback ratio, with two companies, Huaming Equipment and Prologis Pharmaceuticals, still in the board proposal stage [6][27]