AI硬件板块走强，16位基金经理发生任职变动

Market Performance - On August 20, A-shares saw all three major indices rise, with the Shanghai Composite Index increasing by 1.04% to 3766.21 points, the Shenzhen Component Index rising by 0.89% to 11926.74 points, and the ChiNext Index up by 0.23% to 2607.65 points [1] Fund Manager Changes - In the past 30 days (July 21 to August 20), there were 501 fund manager changes across various fund products, with 9 announcements made on August 20 alone [1] - Reasons for fund manager changes included work transitions, personal reasons, and product expirations [1] Fund Manager Performance - Jia Shi Fund's Yan Weipeng managed a total fund size of 0.854 billion, with the highest return of 122.18% from the Agricultural Bank Theme Rotation Mixed A fund over 5 years and 285 days [2] - Tian Fund's Yang Chao managed a total fund size of 5.991 billion, achieving a 97.05% return from the Tianhong CSI 500 Index Enhanced A fund over 6 years and 10 days [2] Fund Company Research Activity - In the past month, Bosera Fund conducted the most company research, engaging with 56 listed companies, followed closely by Penghua Fund (55), Huaxia Fund (54), and Fortune Fund (52) [4] - The chemical products industry was the most researched sector, with 223 instances, followed by specialized equipment with 183 instances [4] Recent Stock Research Focus - In the last month, the most researched stock was Defu Technology, with 79 fund management companies participating in the research, followed by Zhongchong Co. and Baiya Co. with 71 and 65 companies respectively [4] - In the past week (August 13 to August 20), Baiya Co. was the most researched company, with 65 fund institutions involved [5]