Market Overview - On May 27, A-shares experienced a collective adjustment, with the Shanghai Composite Index down 0.18% to 3340.69 points, the Shenzhen Component Index down 0.61% to 10029.11 points, and the ChiNext Index down 0.68% to 1991.64 points [1] Sector Performance - The best-performing sectors included recombinant proteins, glycyrrhizin, and weight loss drugs, while sectors such as Chiplet concept, AI chips, and gold concepts saw declines [1] - Specific net inflows and performance for sectors included: - Recombinant proteins: net inflow of 150 million with a rise of 4.79% - Chiplet concept: net outflow of 770 million with a decline of 2.93% - AI chips: net outflow of 1.124 billion with a decline of 2.25% [2] Fund Manager Changes - In the past 30 days (April 27 to May 27), 473 fund managers changed positions, with 10 announcements made on May 27 alone. Five of these changes were due to job transitions [3] - Notable fund managers include: - Tong Li from Huashang Fund, managing assets of 9.313 billion, with a top-performing fund returning 142.98% over nearly three years [3] - Ai Chong from CITIC Construction Investment Fund, managing assets of 145 million, with a top-performing fund returning 53.51% over just over a year [3] Fund Research Activity - In the last month, the most active fund in terms of company research was Bosera Fund, which conducted 107 company surveys, followed by Huaxia Fund with 95 and Harvest Fund with 91 [5] - The most researched industry was specialized equipment, with 525 surveys, followed by medical devices with 415 [5] Individual Stock Focus - The most researched stock in the past month was Zhaowei Electromechanical, with 88 fund management companies participating in the survey, followed by Anji Technology and Weir Shares with 82 and 73, respectively [5][6] - In the last week (May 20 to May 27), the most researched company was Anjisi, with 32 fund institutions conducting surveys [6]