Group 1 - In the past month (from March 22 to April 21), 17 companies listed on the Beijing Stock Exchange (BSE) received institutional research, with Minshida being the most notable, attracting 139 participating institutions [1] - The types of institutions conducting research include 16 brokerages, 13 funds, 12 private equity firms, 9 insurance companies, and 2 overseas institutions [1] - The companies that received the most attention were Minshida, Yizhi Moyu, Litong Technology, and Audiwei, with 139, 124, 77, and 65 participating institutions respectively [1] Group 2 - The average stock price of the companies that received institutional research increased by 18.31% over the past month, with notable gainers including Yizhi Moyu (up 148.08%), Minshida (up 87.63%), and Jikang Instruments (up 32.68%) [2] - The average daily turnover rate for the researched companies was 7.71%, with the highest rates recorded for Zhongke Meiling (16.91%), Minshida (16.01%), and Guohang Yuanyang (15.15%) [2] - As of April 21, the average market capitalization of all companies on the BSE was 2.916 billion yuan, while the average market capitalization of the researched companies was 3.461 billion yuan, with Minshida, Hualing Co., and Fujida leading in market value [2]

Group 1 - In the past month (from March 15 to April 14), 29 companies listed on the Beijing Stock Exchange (BSE) received institutional research, with Yizhi Moyu being the most popular, attracting 103 participating institutions [1] - The types of institutions conducting research include 28 brokerages, 21 funds, 15 private equity firms, 9 insurance companies, and 3 overseas institutions [1] - The companies that received the most attention after Yizhi Moyu include Audiwei, Fujida, and Deyuan Pharmaceutical, with 65, 63, and 60 participating institutions respectively [1] Group 2 - The average stock price of the companies that received institutional research on the BSE fell by 0.78% over the past month, with 9 stocks experiencing price increases [2] - The top gainers included Huaguang Yuanhai, Yizhi Moyu, and Minsida, with increases of 66.57%, 51.30%, and 33.63% respectively [2] - The average market capitalization of all companies on the BSE is 2.806 billion yuan, while the average market capitalization of the companies that received research is 3.307 billion yuan [2] Group 3 - The most frequently researched company was Yizhi Moyu, which had 4 research sessions, while Langhong Technology, Tianming Technology, and Weimao Electronics were each researched 2 times [1] - The companies with the highest average turnover rates included Huaguang Yuanhai, Zhongke Meiling, and Guohang Yuanyang, with rates of 28.53%, 19.15%, and 17.16% respectively [2]