In the past five trading days (November 13 to November 19), approximately 237 companies in both markets were surveyed by institutions. The types of surveying institutions showed that securities companies surveyed 216 companies, accounting for 91.14% of listed companies' survey activities involving securities companies; fund companies surveyed 162 companies, ranking second; and private equity institutions surveyed 104 companies, ranking third. In the institutional survey rankings, a total of 54 companies were surveyed by 20 or more institutions. Shenzhen Inovance Technology received the most attention, with 147 institutions participating in the survey; Sheng Mei Shanghai was surveyed by 145 institutions, ranking second on the list; Guangdong Dowstone Technology, Beigene, and others were surveyed by 142, 127 institutions respectively.