PETROCHINA(SH:601857) Jin Rong Jie·2025-03-27 08:02Core Points - The China Securities Index for Global Energy Composite Index (CN Energy Composite, H30375) reported a value of 1869.25 points, showing a monthly increase of 3.97%, a quarterly decrease of 4.40%, and a year-to-date decline of 5.84% [1][2] Group 1: Index Performance - The CN Energy Composite Index has shown a monthly increase of 3.97% [1] - The index has decreased by 4.40% over the last three months [1] - Year-to-date, the index has declined by 5.84% [1] Group 2: Index Composition - The top ten holdings in the CN Energy Composite Index include China National Offshore Oil (18.87%), China Shenhua (7.61%), and China Petroleum & Chemical Corporation (5.68%) [1] - The index is primarily composed of stocks from the Shanghai Stock Exchange (48.11%) and Hong Kong Stock Exchange (42.95%) [2] - The sector breakdown shows coal at 31.52%, fuel refining at 25.20%, and integrated oil and gas companies at 23.70% [2] Group 3: Index Adjustment Mechanism - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Temporary adjustments may occur under special circumstances, such as significant events affecting a sample company's industry classification [2] - Companies that are delisted or undergo mergers, acquisitions, or other significant changes will be handled according to specific calculation and maintenance guidelines [2]