Zheng Quan Ri Bao·2025-09-28 16:04Core Insights - Public fund institutions have shown significant interest in A-share market research activities, with 154 institutions participating and covering 605 listed companies, resulting in 4,275 total research instances since September 1 [1] Group 1: Market Performance - From September 1 to 28, stocks researched by public funds exhibited strong performance, with an average increase of 2.24%, outperforming the CSI 300 index's 1.19% increase [1] - 70 listed companies saw stock price increases exceeding 20%, while 19 companies experienced price increases over 40%, indicating strong price elasticity [1] Group 2: Industry Focus - The mechanical equipment sector was particularly prominent, with three companies ranking among the top ten in stock performance, including World, which surged by 113.77% [2] - The electronic industry ranked second, with 83 listed companies and a total of 702 research instances, highlighting the focus on companies like Shenzhen South Circuit and Jingchen Technology [3] Group 3: Research Frequency - 44 listed companies were researched by public funds at least 20 times, with the top company, Crystal Machine, receiving 81 instances of research [2] - The mechanical equipment sector dominated the frequency of research, with five companies in the top ten for research instances [2] Group 4: Institutional Activity - 85 public fund institutions conducted at least 20 research instances, with 28 institutions exceeding 50 instances [3] - Huaxia Fund led with 107 research instances, focusing on mechanical equipment, electronics, pharmaceuticals, and computing sectors [3]