上证国新科创板国企指数下跌0.41%，前十大权重包含华虹公司等

Group 1 - The A-share market's three major indices closed mixed, with the Shanghai National New Science and Technology Board State-owned Enterprise Index down 0.41% to 963.1 points, with a trading volume of 10.744 billion yuan [1] - The Shanghai National New Science and Technology Board State-owned Enterprise Index has decreased by 7.12% in the past month, increased by 1.30% over the last three months, and has fallen by 0.59% year-to-date [1] - This index reflects the overall performance of state-owned enterprises listed on the Science and Technology Innovation Board, selected from state-owned enterprises or companies with state capital participation without actual controllers [1] Group 2 - The top ten holdings of the index include Haiguang Information (6.23%), China Resources Microelectronics (6.11%), Huahai Qingke (5.7%), SMIC (5.65%), Western Superconducting (5.15%), Zhongwei Company (4.2%), Huahong Semiconductor (4.14%), Jinghe Integrated (4.07%), China Railway Signal & Communication (3.38%), and Zhongke Star Map (3.29%) [1] - The index's holdings are entirely from the Shanghai Stock Exchange, with a 100% allocation [1] - In terms of industry distribution, Information Technology accounts for 55.88%, Industry 28.72%, Materials 9.41%, Healthcare 3.41%, and Communication Services 2.58% [2] Group 3 - The index samples are adjusted every six months, with adjustments implemented on the next trading day following the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments possible under special circumstances [2] - Companies that are delisted or undergo mergers, acquisitions, or spin-offs will be processed according to calculation and maintenance guidelines [2]