CNRE(600111) 金融界· Jin Rong Jie·2025-05-27 08:19Group 1 - The core index, the CN Materials Composite Index, reported at 3281.67 points, with a 2.51% increase over the past month, 1.68% over the past three months, and a 6.63% year-to-date increase [1] - The index is designed to reflect the overall performance of different industry securities from Chinese mainland enterprises, classified according to the China Securities Index industry classification standards [1] - The top ten holdings of the CN Materials Composite Index include Zijin Mining (6.39%), Wanhua Chemical (2.21%), and others, indicating a concentration in specific companies [1] Group 2 - The market distribution of the CN Materials Composite Index shows that the Shanghai Stock Exchange accounts for 49.23%, Shenzhen Stock Exchange for 42.38%, and Hong Kong Stock Exchange for 7.82% [2] - In terms of industry composition, non-ferrous metals represent 41.47%, chemicals 37.94%, and other sectors such as non-metallic materials and steel also contribute to the index [2] Group 3 - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December, and can also be adjusted under special circumstances [3] - Adjustments to the index samples occur when there are changes in industry classification due to special events or when companies are delisted [3]