Sou Hu Cai Jing·2026-02-03 09:39Market Performance - On February 3, A-shares saw a collective increase in the three major indices, with the Shanghai Composite Index rising by 1.29% to 4067.74 points, the Shenzhen Component Index increasing by 2.19% to 14127.11 points, and the ChiNext Index up by 1.86% to 3324.89 points [1] - The sectors that performed well included BC batteries, perovskite batteries, and engineering machinery concepts, while sectors such as cross-border payments, central state-owned enterprises valuation, and internet finance experienced declines [1] Fund Manager Changes - On February 3, there were changes in 9 fund managers across various fund products, indicating a significant turnover that could impact future fund performance [2] - In the past 30 days (January 4 to February 3), 537 fund managers have left their positions, with reasons including product expiration and job changes [3] - Notable fund managers include Lei Jun from Great Wall Fund, managing assets of 4.754 billion yuan, with a top-performing product yielding a return of 192.14% over 7 years [3] Fund Research Activity - In the past month, Bosera Fund conducted the most company research, engaging with 56 listed companies, followed by Huaxia Fund with 54, Southern Fund with 46, and Fortune Fund with 45 [4] - The chemical products industry was the most researched sector, with 216 instances of fund company engagement, followed by general equipment with 181 instances [4][5] Individual Stock Focus - The most researched stock in the past month was Daikin Heavy Industries, with 67 fund management companies participating in the research, focusing on offshore wind power equipment [5][6] - In the last week (January 27 to February 3), the most researched company was Yintong Zhikong, with 61 fund institutions involved, followed by Zhongji Xuchuang and Jingzhida [6][7]