Group 1 - The core index of the CSI 500 Information Technology Index increased by 1.32%, closing at 7693.12 points with a trading volume of 67.144 billion [1] - The CSI 500 Information Technology Index has risen by 6.92% in the past month, 6.73% in the past three months, and 9.69% year-to-date [1] - The index is designed to reflect the overall performance of different industry companies within the CSI 500 sample, categorized into 11 primary industries, 35 secondary industries, and over 90 tertiary industries [1] Group 2 - The top ten weighted stocks in the CSI 500 Information Technology Index include Shenghong Technology (6.19%), Huagong Technology (3.03%), and Runhe Software (2.52%) [1] - The market share of the CSI 500 Information Technology Index holdings is 58.58% from the Shenzhen Stock Exchange and 41.42% from the Shanghai Stock Exchange [1] - The index sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] Group 3 - The CSI 500 Information Technology Index has a 100% allocation to the information technology sector [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 500 Index sample [2] - Special events affecting sample companies may lead to adjustments in the index sample, including delisting or corporate actions like mergers and acquisitions [2]

Group 1 - The core viewpoint of the news is that the CSI 500 Information Technology Index has shown significant growth, with a 5.07% increase over the past month, a 10.31% increase over the past three months, and a 9.18% increase year-to-date [2] - The CSI 500 Information Technology Index is composed of various industry companies classified into 11 primary industries, 35 secondary industries, and over 90 tertiary industries, providing a comprehensive analysis tool for investors [2] - The top ten weighted companies in the CSI 500 Information Technology Index include Shenghong Technology (5.52%), Huagong Technology (2.94%), Runhe Software (2.55%), and others, indicating a diverse representation within the index [2] Group 2 - The CSI 500 Information Technology Index is primarily composed of companies listed on the Shenzhen Stock Exchange (57.90%) and the Shanghai Stock Exchange (42.10%) [2] - The index is adjusted biannually, with sample adjustments occurring on the next trading day after the second Friday of June and December, ensuring that the index remains reflective of the market [3] - In the event of special occurrences affecting a sample company's industry classification, the CSI 500 Industry Index will undergo corresponding adjustments to maintain accuracy [3]

Group 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]