


Group 1 - The core index, the CN Industrial Composite Index, has shown a significant increase of 5.77% over the past month, 11.65% over the past three months, and 6.12% year-to-date, reaching 2538.90 points [1] - The index is designed to reflect the overall performance of different industry securities from mainland Chinese enterprises, categorized according to the China Securities Index industry classification standards [1] - The top ten weighted stocks in the index include CATL (6.36%), China Railway Shanghai Group (1.49%), China State Construction Engineering (1.15%), and others, indicating a diverse representation of key sectors [1] Group 2 - The market capitalization distribution of the index shows that Shenzhen Stock Exchange accounts for 47.12%, Shanghai Stock Exchange for 44.98%, and other exchanges like Hong Kong and New York have smaller shares [2] - In terms of industry representation, the index is heavily weighted towards electric power equipment (29.21%) and machinery manufacturing (28.67%), with transportation and construction also holding significant portions [2] - The index samples are adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December, ensuring the index remains relevant to current market conditions [3]