
Core Points - The China A-shares market showed mixed performance with the CN Industrial Comprehensive Index closing at 2306.63 points, reflecting a decline of 7.42% over the past month, 1.74% over the past three months, and 3.58% year-to-date [1] Group 1: Index Overview - The CN Industrial Comprehensive Index is designed to reflect the overall performance of different industry securities from mainland Chinese enterprises, classified according to the China Securities Index industry classification standard [1] - The index is based on a starting point of 1000.0 points as of December 31, 2004 [1] Group 2: Index Holdings - The top ten weighted stocks in the CN Industrial Comprehensive Index include CATL (6.13%), Beijing-Shanghai High-Speed Railway (1.72%), and others such as Huichuan Technology (1.38%) and Sany Heavy Industry (1.14%) [1] - The index's market segment distribution shows that the Shenzhen Stock Exchange accounts for 47.03%, while the Shanghai Stock Exchange accounts for 45.33% [2] Group 3: Industry Composition - The industry composition of the CN Industrial Comprehensive Index indicates that machinery manufacturing constitutes 29.03%, followed by electric power equipment at 28.24% and transportation at 14.11% [2] - Other notable sectors include construction decoration (9.83%), aerospace and defense (8.17%), and environmental protection (3.82%) [2] Group 4: Sample Adjustment - The index samples are adjusted biannually, specifically on the second Friday of June and December, with provisions for temporary adjustments under special circumstances [3] - Adjustments occur when there are changes in the industry classification of sample companies or when companies are delisted [3]