Zijin Mining(601899) Jin Rong Jie·2025-05-06 07:39Group 1 - The CSI Hong Kong-Shanghai-Shenzhen 500 upstream index reported a value of 2139.96 points, with a decline of 4.94% over the past month, 2.21% over the past three months, and 3.72% year-to-date [1] - The index is based on the comprehensive index samples of the Hong Kong-Shanghai-Shenzhen Stock Connect and the CSI 500 index, reflecting the overall performance of securities listed in the three regions [1] - The top ten holdings of the CSI Hong Kong-Shanghai-Shenzhen 500 upstream index include Zijin Mining (12.94%), China National Offshore Oil Corporation (12.58%), China Shenhua Energy (5.68%), and China Petroleum & Chemical Corporation (5.28%) [1] Group 2 - The industry composition of the CSI Hong Kong-Shanghai-Shenzhen 500 upstream index shows that oil and gas account for 33.27%, precious metals for 22.98%, coal for 18.64%, and industrial metals for 13.87% [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - In case of special circumstances, temporary adjustments may be made to the index samples, including the removal of delisted companies and handling of mergers or acquisitions according to maintenance guidelines [2]