WST(SH:688122) Sou Hu Cai Jing·2025-06-03 13:40Group 1 - The Shanghai Stock Exchange National New Sci-Tech Board State-Owned Enterprises Index (950253) rose by 0.75% to 965.85 points, with a trading volume of 13.986 billion yuan [1] - Over the past month, the index has decreased by 0.95%, down 6.33% over the last three months, and down 1.45% 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 controller, 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: China Resources Microelectronics (6.16%), Haiguang Information (5.65%), Western Superconducting (5.45%), Huahai QK (5.31%), SMIC (5.09%), Zhongwei Company (3.94%), Jinghe Integration (3.92%), Huahong Semiconductor (3.81%), Zhongke Xingtu (3.33%), and China Communication Signal (3.18%) [1] - The index's holdings are entirely from the Shanghai Stock Exchange, with the information technology sector comprising 53.73%, industrial sector 30.09%, materials sector 9.87%, healthcare sector 3.63%, and communication services sector 2.69% [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]