Jin Rong Jie·2025-08-15 14:04Group 1 - The Shanghai Stock Exchange National New Sci-Tech Board State-Owned Enterprises Index (950253) increased by 2.5%, closing at 1126.03 points with a trading volume of 37.353 billion yuan [1] - The index has risen by 11.82% over the past month, 16.07% over the past three months, and 15.75% 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 Huahong Semiconductor (6.01%), Huahai Qingke (5.0%), Western Superconducting (4.97%), Haiguang Information (4.92%), SMIC (4.74%), China Resources Microelectronics (4.68%), Zhongwei Company (4.34%), Jinghe Integrated (3.43%), Guodun Quantum (3.33%), and Zhongke Xingtou (2.96%) [1] - The index's holdings are entirely composed of stocks listed on the Shanghai Stock Exchange, with a 100% allocation [1] Group 3 - In terms of industry composition, the index's sample shows that Information Technology accounts for 54.27%, Industry for 29.22%, Materials for 9.09%, Communication Services for 4.90%, and Healthcare for 2.52% [2] - The index samples are adjusted biannually, with adjustments implemented on the next trading day following the second Friday of June and December each year [2] - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes mergers, acquisitions, or splits [2]