PCB概念走强，9位基金经理发生任职变动

Market Performance - On December 9, A-shares showed mixed performance with the Shanghai Composite Index down by 0.37% to 3909.52 points, the Shenzhen Component Index down by 0.39% to 13277.36 points, and the ChiNext Index up by 0.61% to 3209.60 points [1] Fund Manager Changes - In the past 30 days (November 9 to December 9), 668 fund managers have left their positions across various funds, with 11 announcements made on December 9 involving 6 fund managers [3] - Reasons for the departures include 4 fund managers leaving due to job changes and 2 due to personal reasons [3] New Fund Managers - On December 9, 4 new fund manager appointments were announced, involving 3 fund managers, including Han Jing from Ping An Fund, who manages assets totaling 29.69 billion yuan [4] - Han Jing's highest-performing fund is the Galaxy Income Mixed Fund, which achieved a return of 150.15% over 8 years and 261 days [4] Fund Research Activity - In the past month, Huaxia Fund conducted the most company research, engaging with 45 listed companies, followed closely by Bosera Fund with 44 and Guotai Fund with 43 [4][5] - The consumer electronics sector was the most researched industry, with 250 instances of fund company inquiries, followed by specialized equipment with 215 [5] Individual Stock Focus - The most researched stock in the past month was Luxshare Precision, with 88 fund management companies participating in the research [5] - Other notable stocks included Jerry Holdings and Century Huatong, with 82 and 53 fund management companies involved, respectively [5] Recent Research Trends - In the past week (December 2 to December 9), Jerry Holdings was the most researched company, receiving inquiries from 66 fund institutions [6] - Other companies with significant research attention included Sanxia Tourism, Dajin Heavy Industry, and Canxin Technology, with 36, 33, and 31 inquiries respectively [6]