Zheng Quan Shi Bao Wang·2025-11-10 01:23Summary of Key Points Core Viewpoint - In the past five trading days, a total of 298 companies were investigated by institutions, with notable interest in companies like Aibo Medical, Lankai Technology, and Stone Technology, indicating a trend of concentrated institutional research activity [1]. Group 1: Institutional Research Activity - 90.60% of the companies investigated had participation from securities firms, with 270 companies being researched by them [1]. - Fund companies conducted research on 202 companies, while private equity firms investigated 138 companies [1]. - Aibo Medical received the highest attention with 306 institutions participating in its research, followed by Lankai Technology with 207 institutions [1]. Group 2: Research Frequency and Fund Flow - Ice Wheel Environment had the most frequent institutional research with 6 investigations, while Tongyu Communications and Fuan Energy were also frequently researched with 4 and 3 investigations respectively [1]. - Among the stocks with over 20 institutions researching, 28 saw net fund inflows in the past five days, with Huilv Ecology receiving the highest net inflow of 541 million yuan [1]. Group 3: Market Performance of Investigated Stocks - Out of the stocks investigated, 39 experienced price increases, with notable gains from Zhongfu Circuit (29.41%), World (25.79%), and Dazhong Mining (19.69%) [2]. - Conversely, 43 stocks saw declines, with the largest drops from Jibeier (-10.09%), Fudan Microelectronics (-8.40%), and Honghua Digital Technology (-7.39%) [2]. Group 4: Detailed Stock Performance - Aibo Medical (688050) had 1 investigation, 306 institutions, and a closing price of 63.50 yuan, with a decline of 2.07% [2]. - Lankai Technology (688008) had 1 investigation, 207 institutions, and a closing price of 130.08 yuan, with a decline of 4.56% [2]. - Stone Technology (688169) had 1 investigation, 196 institutions, and a closing price of 154.49 yuan, with a decline of 5.45% [2].