Sou Hu Cai Jing·2025-08-11 14:04Group 1 - The Shanghai Stock Exchange National New Sci-Tech Board State-Owned Enterprise Index (950253) increased by 0.96%, closing at 1091.12 points with a trading volume of 25.645 billion [1] - The index has risen by 7.12% in the past month, 7.81% in the past three months, and 11.10% 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 [1] Group 2 - The top ten weighted stocks in the index include Huahai Qingke (5.14%), Huahong Company (4.95%), and Western Superconducting (4.85%) [1] - The index's holdings are entirely from the Shanghai Stock Exchange, with a 100% allocation [1] - The industry composition of the index shows that Information Technology accounts for 53.12%, Industrial for 30.17%, and Materials for 9.13% [2] 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, with special circumstances allowing for temporary adjustments [2] - Companies that are delisted or undergo mergers, acquisitions, or splits are handled according to specific calculation and maintenance guidelines [2]