Jin Rong Jie·2025-05-19 13:04Group 1 - The core index of the commodity sector, the China Securities Commodity Stock Index, closed at 4799.89 points with a trading volume of 31.653 billion yuan, showing a slight increase of 0.03% [1] - Over the past month, the index has risen by 1.75%, by 0.02% over the last three months, and by 0.82% year-to-date [1] - The index is composed of the top 100 commodity-related listed companies selected from the China Securities 800 Index, reflecting the overall performance of commodity securities [1] Group 2 - The top ten weighted stocks in the index include Chifeng Jilong Gold Mining (1.58%), Kaisa Biological (1.36%), and Yara International (1.33%) among others [1] - The index's holdings are primarily from the Shanghai Stock Exchange (54.56%) and the Shenzhen Stock Exchange (45.44%) [1] - In terms of industry composition, non-ferrous metals account for 35.02%, chemicals for 20.58%, and energy for 17.67% of the index [2] Group 3 - The index is adjusted semi-annually, with sample adjustments occurring on the next trading day after the second Friday of June and December [2] - The weight factors are generally fixed until the next scheduled adjustment, with a maximum sample adjustment ratio of 10% [2] - Public funds tracking commodities include the China Merchants China Securities Commodity Fund [3]