Group 1 - In the past month (from April 16 to May 15), 39 companies listed on the Beijing Stock Exchange (BSE) were investigated by institutions, with Yizhi Mogu being the most popular, receiving attention from 78 institutions [1] - The types of institutions conducting the research included 39 brokerages, 33 funds, 27 private equity firms, 19 insurance companies, and 5 overseas institutions [1] - The companies that received the most attention after Yizhi Mogu were Litong Technology, Kangbiter, and Jikang Instruments, with 75, 73, and 50 institutions participating in their investigations, respectively [1] Group 2 - The average stock price of the companies investigated by institutions increased by 10.33% over the past month, with 32 stocks rising, including Guohang Ocean, Jinbo Biological, and Lintai New Materials, which saw increases of 78.12%, 28.19%, and 26.01% respectively [2] - The average daily turnover rate for the investigated companies was 8.38%, with the highest turnover rates recorded for Wanda Bearings, Taihu Snow, and Lintai New Materials at 24.09%, 20.70%, and 17.40% respectively [2] - As of May 15, the average market capitalization of all companies on the BSE was 3.071 billion yuan, while the average market capitalization of the investigated companies was 4.820 billion yuan [2] Group 3 - The table lists various companies along with the number of institutions that investigated them, the number of investigations, latest closing prices, percentage changes, and their respective industries [3] - Notable companies include Yizhi Mogu with 78 institutions and a price increase of 17.17%, Litong Technology with 75 institutions and a price increase of 22.84%, and Jinbo Biological with 23 institutions and a price increase of 28.19% [3]