In the past 5 trading days (November 14th to November 20th), about 223 companies in both markets were surveyed by institutions. The types of surveying institutions show that securities companies surveyed 200 companies, with 89.69% of listed companies' survey activities involving securities companies; fund companies surveyed 150 companies, ranking second; and private equity institutions surveyed 89 companies, ranking third. In the institution survey list, a total of 51 companies were surveyed by more than 20 institutions. Haitian Rui Sheng received the most attention, with 164 institutions participating in the survey; Shenzhen Inovance Technology was surveyed by 147 institutions, ranking second on the list; Guangdong Dowstone Technology, Zhejiang Supcon Technology, etc., were surveyed by 142 and 115 institutions respectively.