Zheng Quan Shi Bao Wang·2025-12-22 02:00Group 1 - In the past five trading days, approximately 160 companies were investigated by institutions, with Changan Automobile, Yipinhong, and Boying Special Welding being the most frequently researched [1] - Among the companies investigated, 24 received attention from more than 20 institutions, with Changan Automobile being the most popular, attracting 214 institutions [1] - The types of institutions involved in the research included 133 securities companies, 103 fund companies, and 65 private equity firms [1] Group 2 - In terms of capital inflow, seven out of the 20 companies that attracted more than 20 institutions saw net capital inflows, with SAIC Motor receiving the highest net inflow of 398 million yuan [1] - The companies with significant net inflows also included Boying Special Welding and Zhenyou Technology, with net inflows of 71 million yuan and 51 million yuan, respectively [1] - The most frequently investigated company was Ice Wheel Environment, which was researched seven times by institutions [1] Group 3 - In market performance, nine of the investigated stocks increased in value, with the highest gains seen in Xingchen Technology (25.35%), Zhenyou Technology (21.89%), and Tiankang Biological (6.63%) [2] - Conversely, 15 stocks experienced declines, with Yipinhong, Huatuo Cable, and Lianang Microelectronics showing the largest drops of 23.69%, 13.18%, and 10.54%, respectively [2] - The detailed list of investigated stocks includes Changan Automobile, Yipinhong, Boying Special Welding, and others, along with their respective closing prices and percentage changes [2][3]