Beijing (SZ:300803) Jin Rong Jie·2025-07-09 15:22Group 1 - The core index of the A-share market showed mixed performance, with the CSI 500 Information Technology Index declining by 1.03% to 7591.7 points, with a trading volume of 53.243 billion yuan [1] - Over the past month, the CSI 500 Information Technology Index has increased by 4.95%, by 18.19% over the last three months, and by 10.82% year-to-date [1] - The CSI 500 Index is categorized into 11 primary industries, 35 secondary industries, and over 90 tertiary industries, providing a comprehensive analysis tool for investors [1] Group 2 - The top ten weighted stocks in the CSI 500 Information Technology Index include Shenghong Technology (5.83%), Huagong Technology (3.01%), Runhe Software (2.5%), and others [1] - The market capitalization distribution of the CSI 500 Information Technology Index shows that the Shenzhen Stock Exchange accounts for 57.95%, while the Shanghai Stock Exchange accounts for 42.05% [1] - The CSI 500 Information Technology Index consists entirely of companies from the information technology sector, with a 100% allocation [2] Group 3 - The index sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, but can be modified in case of temporary adjustments due to sample changes [2] - Special events affecting sample companies, such as delisting or mergers, will lead to corresponding adjustments in the index sample [2]