Sou Hu Cai Jing·2025-12-04 08:21Market Performance - On December 4, A-shares showed mixed performance with the Shanghai Composite Index down by 0.06% closing at 3875.79 points, while the Shenzhen Component Index rose by 0.4% to 13006.72 points, and the ChiNext Index increased by 1.01% to 3067.48 points [1] Sector Performance - The sectors that performed well included robotic actuators, space-based internet, and AI chips, while sectors such as pre-made dishes, community group buying, and agricultural planting saw declines [1] - The net inflow for robotic actuators was 4.55 billion with a rise of 4.48%, while AI chips had a net inflow of 2.01 billion with a 1.97% increase [2] Fund Manager Changes - On December 4, there were 26 fund manager changes across various funds, with 40 funds announcing departures of fund managers [3][4] - In the past 30 days (November 4 to December 4), a total of 725 fund managers left their positions, with 40 announcements made on December 4 alone [3] Fund Manager Departure Reasons - The reasons for fund manager departures included work changes (11 managers), personal reasons (1 manager), resignations (1 manager), and product expirations (2 managers) [3] New Fund Manager Appointments - On December 4, 38 funds announced new fund manager appointments, involving 12 managers, including Wu Chendong from E Fund, who manages assets totaling 24.55 billion [5][6] Fund Research Activity - In the past month, Bosera Fund conducted the most company research, engaging with 49 listed companies, followed by Guotai Fund and Huaxia Fund with 48 and 47 companies respectively [7] - The most researched sector was consumer electronics, with 270 instances of fund company engagement, followed by specialized equipment with 218 instances [7] Recent Company Research Focus - The most focused company in the last month was Luxshare Precision, with 88 fund management companies participating in its research, followed by Jereh and Huichuan Technology with 81 and 65 respectively [8][9]