上证科创板综合指数下跌0.5%，前十大权重包含金山办公等

Group 1 - The A-share market's three major indices closed mixed, with the Sci-Tech Innovation Board Composite Index down 0.5% to 1158.81 points and a trading volume of 78.894 billion yuan [1] - The Sci-Tech Innovation Board Composite Index has decreased by 7.69% over the past month, increased by 4.75% over the past three months, and has risen by 4.10% year-to-date [1] - The index is composed of eligible listed companies on the Sci-Tech Innovation Board and includes dividend distributions in its performance calculations, with a base date of December 31, 2019, set at 1000.0 points [1] Group 2 - The top ten weighted stocks in the Sci-Tech Innovation Board Composite Index include Haiguang Information (5.41%), Cambrian (4.13%), SMIC (2.84%), Kingsoft Office (2.18%), Zhongwei Company (1.83%), United Imaging (1.67%), Transsion Holdings (1.54%), Baillie Tianheng (1.49%), Lattice Technology (1.32%), and China Resources Microelectronics (0.95%) [1] - The industry composition of the index shows that Information Technology accounts for 52.19%, Industry for 23.48%, Healthcare for 16.36%, Materials for 3.37%, Consumer Discretionary for 2.19%, Communication Services for 1.79%, Consumer Staples for 0.57%, and Energy for 0.05% [2] - Securities that rank in the top 10 by average total market capitalization on the Sci-Tech Innovation Board are included in the index after three months of listing, while others are included after one year [2]