Sou Hu Cai Jing·2025-12-22 08:10Market Performance - On December 22, A-shares saw a collective increase in the three major indices, with the Shanghai Composite Index rising by 0.69% to 3917.36 points, the Shenzhen Component Index increasing by 1.47% to 13332.73 points, and the ChiNext Index climbing by 2.23% to 3191.98 points [1] Fund Manager Changes - From December 20 to December 22, a total of 58 fund managers experienced changes in their positions, with 652 fund products having manager changes in the past 30 days [3] - The reasons for the changes included 23 fund managers leaving due to job changes, 5 due to product expiration, and 1 for personal reasons [3] - During the same period, 88 fund products announced new fund manager appointments involving 30 fund managers [5] Fund Manager Performance - Zhang Xiaonan, a fund manager at Invesco Great Wall, currently manages assets totaling 30.607 billion yuan, with the highest return product being the Invesco Great Wall Nasdaq Technology ETF, which achieved a return of 134.72% over 2 years and 316 days [4] - Zhang Dazheng, a fund manager at Yingda Fund, manages assets of 12.372 billion yuan, with the highest return product being Yingda Strategy Preferred A, which gained 77.05% over 5 years and 352 days [6] Fund Research Activity - In the past month (November 22 to December 22), Bosera Fund conducted the most company research, engaging with 39 listed companies, followed by Southern Fund, Huaxia Fund, and Huitianfu Fund, which researched 36, 32, and 31 companies respectively [8] - The most researched industry was specialized equipment, with 167 instances, followed by the semiconductor industry with 121 instances [8] Individual Stock Research - The most focused stock by public funds in the last month was Zhongke Shuguang, with 117 fund management companies participating in its research, followed by Haiguang Information and Changan Automobile, each with 117 and 82 participating fund managers respectively [9] - In the last week (December 15 to December 22), Changan Automobile was the most researched company, with 68 fund institutions involved [9]