Market Performance - A-shares experienced a significant rally, with the Shanghai Composite Index reaching a 10-year high, closing up 0.85% at 3728 points [1] - The Shenzhen Component Index rose 1.73%, marking its highest level since April 2023, while the ChiNext Index increased by 2.84%, the highest since February 2023 [1] - The North Stock Exchange 50 Index surged by 6.79%, achieving a historical peak [1] Trading Volume - The total trading volume for the day was 2.81 trillion yuan, an increase of 536.3 billion yuan compared to the previous trading day, setting a new high since October 9, 2024 [1] - Over 4000 stocks in the market recorded gains [1] Sector Performance - The liquid cooling concept stocks saw a significant surge, with companies like Shuguang Technology and Qiangrui Technology hitting the daily limit [1] - The CPO concept also rose, with stocks such as Dekeli and Ruijie Network reaching the daily limit [1] - The military and shipbuilding sectors experienced substantial gains, with companies like Great Wall Military Industry and Zhongtian Rocket seeing multiple stocks hit the daily limit [1] - Short drama concept stocks rallied, with Huace Film & TV hitting the daily limit [1] - Huawei HiSilicon concept stocks strengthened, with Jinsai Technology rising by 30% to hit the daily limit [1] - Other sectors with notable gains included F5G, consumer electronics, and AI corpus, while coal, precious metals, and phosphate chemicals saw declines [1]

Market Performance - On May 22, the three major A-share indices collectively adjusted, with the Shanghai Composite Index falling by 0.22% to 3380.19 points, the Shenzhen Component Index dropping by 0.72% to 10219.62 points, and the ChiNext Index decreasing by 0.96% to 2045.57 points [1] Fund Manager Changes - In the past 30 days (April 22 to May 22), a total of 480 fund products experienced changes in fund managers, with 22 fund products announcing manager departures on May 22 alone [3] - The reasons for the changes included two managers leaving due to job changes, one due to personal reasons, and one due to product expiration [3] Fund Manager Performance - The current total asset scale of the fund manager Lou Huafeng from Industrial Bank is 2.079 billion yuan, with the highest return product being Silver River Quantitative Preferred Mixed A, which achieved an 88.18% return over 4 years and 42 days [4] - New fund manager Yan Peixian from China Europe Fund has a total asset scale of 12.365 billion yuan, with the highest return product being China Plus Pure Bond One Year A, which achieved an 87.82% return over 10 years and 49 days [5] Fund Research Activity - In the past month (April 22 to May 22), Bosera Fund conducted the most company research, engaging with 145 listed companies, followed by Jiashi Fund, Huaxia Fund, and Fortune Fund, which researched 133, 132, and 125 companies respectively [6] - The most researched industry was specialized equipment, with 658 instances, followed by medical devices with 637 instances [6] Recent Company Focus - In the last week (May 15 to May 22), the company receiving the most attention from funds was Bozhong Precision Engineering, with 48 fund institutions conducting research [8] - Other companies with significant research interest included Huagong Technology, Keli Co., and Huadong Pharmaceutical, receiving 37, 35, and 30 fund institution inquiries respectively [8]