Group 1 - On October 20, a total of 8 companies were investigated by institutions, with 6 companies being surveyed by funds, highlighting a significant interest in Huabang Health, which attracted 13 funds for the investigation [1][2] - The companies surveyed include 3 from the main board and 3 from the ChiNext board, indicating a diverse representation across different market segments [2] - Among the surveyed companies, only one has a total market capitalization exceeding 50 billion yuan, while four companies have market capitalizations below 10 billion yuan, including Boin Special Welding, Weiteou, and Zhonglai Shares [2] Group 2 - In terms of market performance, two stocks among the surveyed companies have increased in the last five days, with Boin Special Welding and Huabang Health showing gains of 27.01% and 8.39% respectively [2] - Conversely, four stocks have experienced declines, with Weiteou, Zhonglai Shares, and Guangdian Yuntong showing decreases of 7.24%, 1.83%, and 1.55% respectively [2] - Fund inflows over the past five days indicate that Huabang Health received a net inflow of 177 million yuan, the highest among the surveyed stocks, followed by Boin Special Welding and Guangdian Yuntong with net inflows of 130 million yuan and 399,700 yuan respectively [2] Group 3 - Among the surveyed companies, only one has released its third-quarter report, with Cangge Mining reporting the highest year-on-year net profit growth of 47.26% [2]