Raytron(SH:688002) Jin Rong Jie·2025-07-07 14:54Group 1 - The A-share market's three major indices closed mixed, with the Shanghai Stock Exchange Sci-Tech Innovation Board Chip Design Theme Index down by 0.49% to 1260.19 points, with a trading volume of 12.655 billion yuan [1] - The Shanghai Stock Exchange Sci-Tech Innovation Board Chip Design Theme Index has increased by 0.48% over the past month, decreased by 2.11% over the past three months, and has risen by 8.91% year-to-date [1] - The index reflects the overall performance of listed companies in the chip design sector on the Sci-Tech Innovation Board, with a base date of December 31, 2019, set at 1000.0 points [1] Group 2 - The top ten weighted companies in the index include Haiguang Information (10.26%), Lanke Technology (9.83%), and Cambricon (9.07%), among others [1] - The index's holdings are entirely composed of companies listed on the Shanghai Stock Exchange, with a 100% allocation [1] - The index's holdings are exclusively in the information technology sector, also with a 100% allocation [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 adjusted in accordance with the regular sample adjustments, which occur at the same time [2] - Special circumstances may lead to temporary adjustments to the index, such as delisting or corporate actions like mergers and acquisitions [2]