Group 1 - The Shanghai Composite Index increased by 0.21%, while the CSI 300 Computer Index reported 1295.05 points [1] - The CSI 300 Computer Index has risen by 0.06% in the past month, declined by 17.54% over the past three months, and decreased by 2.43% year-to-date [1] - The CSI 300 Index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The CSI 300 Computer Index holdings are composed of 57.28% from the Shanghai Stock Exchange and 42.72% from the Shenzhen Stock Exchange [1] - Within the CSI 300 Computer Index, the allocation is 56.61% for general software, 35.22% for industry application software, and 8.16% for cloud computing services [1] Group 3 - The index samples are 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 change with temporary adjustments due to special events affecting sample companies [2] - Companies that are delisted or undergo mergers, acquisitions, or splits will be handled according to calculation and maintenance guidelines [2]

Group 1 - The A-share market's three major indices closed mixed, with the CSI 300 Computer Index reported at 1300.49 points [1] - The CSI 300 Computer Index has decreased by 8.37% over the past month, increased by 0.04% over the past three months, and has declined by 2.02% year-to-date [2] - The CSI 300 Index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, providing a comprehensive analysis tool for investors [2] Group 2 - The CSI 300 Computer Index's holdings are composed of 58.31% from the Shanghai Stock Exchange and 41.69% from the Shenzhen Stock Exchange [2] - Within the holdings of the CSI 300 Computer Index, general software accounts for 55.96%, industry application software for 35.61%, and cloud computing services for 8.43% [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day following the second Friday of June and December [3]