Jin Rong Jie·2025-04-18 08:04Group 1 - The A-share market's three major indices closed mixed, with the CSI 300 Chemical Index reported at 2019.69 points [1] - The CSI 300 Chemical Index has decreased by 12.44% over the past month, 9.26% over the past three months, and 8.77% year-to-date [1] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The top ten weights in the CSI 300 Chemical Index are: Wanhua Chemical (23.46%), Salt Lake Industry (14.15%), Baofeng Energy (7.49%), Juhua Co. (7.38%), Hengli Petrochemical (7.29%), Hualu Hengsheng (7.0%), Longbai Group (6.23%), Cangge Mining (6.23%), Satellite Chemical (5.96%), and Rongsheng Petrochemical (5.51%) [1] - The market share of the CSI 300 Chemical Index is 57.10% from the Shanghai Stock Exchange and 42.90% from the Shenzhen Stock Exchange [1] Group 3 - In terms of industry composition, other chemical raw materials account for 38.08%, polyurethane for 23.46%, potassium fertilizer for 20.38%, fluorochemical for 7.38%, titanium dioxide for 6.23%, and organic silicon for 4.47% [2] - The index sample is adjusted every six months, 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 temporary adjustments made when the CSI 300 Index samples are modified [2]