Group 1 - In the past five trading days, a total of 265 companies were investigated by institutions, with a significant focus on companies like Jing Sheng Machinery, Aeston, and Guanghe Technology [1] - Among the companies surveyed, 49 received attention from more than 20 institutions, with Jing Sheng Machinery being the most popular, attracting 229 institutions [1][2] - The types of institutions involved in the surveys included 222 securities companies, 180 fund companies, and 97 private equity firms, indicating a diverse interest in the market [1] Group 2 - In terms of capital inflow, 22 stocks among those surveyed saw net inflows, with Cambridge Technology leading with a net inflow of 1.308 billion yuan [1] - The stocks that experienced the highest price increases included Kaipu Cloud, Cambridge Technology, and Jiechuang Intelligent, with respective increases of 36.96%, 25.61%, and 20.40% [2] - Conversely, some stocks faced declines, such as Aipeng Medical, Focai Technology, and Jiaxian Co., with decreases of 7.79%, 4.86%, and 3.96% respectively [2] Group 3 - The most frequently surveyed companies included Lingnan Holdings, Zhou Dashing, and Yaguang Technology, each being surveyed three times [1] - The survey data indicates a concentrated interest in specific sectors, particularly in power equipment and machinery, as evidenced by the number of institutions involved [1][2] - The overall market performance of surveyed stocks shows a mix of gains and losses, reflecting varying investor sentiment and market conditions [2]