Jin Rong Jie·2025-08-18 13:15Core Points - The Shanghai Composite Index opened high and the CSI Communication Equipment Index rose by 4.12%, closing at 10,152.1 points with a trading volume of 106.777 billion [1] - The CSI Communication Equipment Index has increased by 24.08% in the past month, 57.77% in the past three months, and 42.36% year-to-date [1] Index Composition - The CSI Communication Equipment Index is composed of listed companies involved in the communication equipment sector, reflecting the overall performance of these companies [1] - The top ten weights in the index are: Xinyi Technology (16.83%), Zhongji Xuchuang (16.04%), Industrial Fulian (12.26%), ZTE Corporation (8.57%), Tianfu Communication (3.6%), Zhongtian Technology (2.9%), Chuan Yin Holdings (2.62%), Hengtong Optic-Electric (2.47%), Wentai Technology (2.3%), and Haige Communication (1.94%) [1] Market Distribution - The market distribution of the CSI Communication Equipment Index shows that 67.12% of the holdings are from the Shenzhen Stock Exchange, while 32.88% are from the Shanghai Stock Exchange [1] - In terms of industry composition, communication services account for 80.37% and information technology accounts for 19.63% of the index holdings [1] Index Adjustment - The index samples are adjusted semi-annually, with adjustments implemented on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2]