Jin Rong Jie·2025-04-21 07:28Group 1 - The Shanghai Composite Index opened lower but rose later, with the CSI 300 Chemical Index reported at 2022.67 points [1] - The CSI 300 Chemical Index has decreased by 11.64% over the past month, 9.12% over the past three months, and 8.64% 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 (23.47%), Salt Lake Industry (14.14%), Baofeng Energy (7.62%), Juhua Co. (7.3%), Hengli Petrochemical (7.28%), Hualu Hengsheng (6.99%), Longbai Group (6.23%), Zangge Mining (6.19%), Satellite Chemical (6.02%), and Rongsheng Petrochemical (5.53%) [1] - The market share of the CSI 300 Chemical Index is 57.05% from the Shanghai Stock Exchange and 42.95% from the Shenzhen Stock Exchange [1] Group 3 - In terms of industry composition, other chemical raw materials account for 38.28%, polyurethane for 23.47%, potassium fertilizer for 20.33%, fluorochemical for 7.30%, titanium dioxide for 6.23%, and organic silicon for 4.39% [2] - The index samples are 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]