Jin Rong Jie·2025-08-12 16:30Group 1 - The Shanghai Composite Index opened high and rose, with the Shanghai TMT Index increasing by 1.2% to 2077.09 points and a trading volume of 90.995 billion yuan [1] - The Shanghai TMT Index has risen by 5.85% in the past month, 8.93% in the past three months, and 9.65% year-to-date [1] - The Shanghai TMT Index consists of 50 listed companies in the TMT sector with good scale and liquidity, reflecting the overall performance of TMT-related companies in the Shanghai market [1] Group 2 - The top ten weights in the Shanghai TMT Index are: Industrial Fulian (3.51%), Jingwang Electronics (3.17%), Shengyi Technology (2.61%), Cambrian (2.5%), Hengsheng Electronics (2.37%), Shiyun Circuit (2.3%), Wealth Trend (2.23%), Chipone (2.21%), Fenghuo Communication (2.17%), and Hengtong Optic-Electric (2.1%) [1] - The Shanghai TMT Index is fully composed of companies listed on the Shanghai Stock Exchange, with an 80.98% weight in Information Technology and 19.02% in Communication Services [1] Group 3 - The index sample is adjusted every six months, with adjustments implemented 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 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]