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]