WST(SH:688122) Jin Rong Jie·2025-07-24 14:36Group 1 - The Shanghai Stock Exchange National New Sci-Tech Board State-Owned Enterprise Index (950253) increased by 1.81%, closing at 1068.46 points with a trading volume of 30.567 billion yuan [1] - The index has risen by 7.75% in the past month, 7.77% over the last three months, and 7.88% year-to-date [1] - The index reflects the overall performance of state-owned enterprises listed on the Sci-Tech Board, selected from companies with state capital participation and no actual controllers, with a base date of December 30, 2022, set at 1000.0 points [1] Group 2 - The top ten weighted stocks in the index include Huahai Qingke (5.63%), Huarun Micro (5.07%), SMIC (5.0%), Western Superconducting (4.72%), and others [1] - The index's holdings are entirely from the Shanghai Stock Exchange, with the information technology sector comprising 54.04%, industrial sector 29.80%, materials sector 8.82%, communication services 4.89%, and healthcare 2.46% [1] Group 3 - The index sample is adjusted every six months, with adjustments implemented on the next trading day following the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made under special circumstances [2] - Companies that are delisted or undergo mergers, acquisitions, or splits are handled according to calculation and maintenance guidelines [2]