Core Viewpoint - The Shanghai Composite Index opened lower but rose later, while the CSI 300 Energy Index fell by 0.82% to 2106.64 points, with a trading volume of 4.239 billion yuan. The CSI 300 Energy Index has decreased by 0.31% over the past month, 5.24% over the past three months, and 13.23% year-to-date [1]. Group 1: Index Performance - The CSI 300 Energy Index has shown a decline of 0.31% in the last month, 5.24% in the last three months, and 13.23% year-to-date [1]. - The top ten holdings in the CSI 300 Energy Index include China Shenhua (25.01%), China Petroleum (17.54%), and China Petrochemical (16.09%) [1]. Group 2: Market Composition - The CSI 300 Energy Index is composed of 96.30% from the Shanghai Stock Exchange and 3.70% from the Shenzhen Stock Exchange [2]. - The industry composition of the CSI 300 Energy Index includes coal (50.97%), integrated oil and gas companies (33.62%), and fuel refining (10.16%) [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]. - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 300 Index samples [2].

Group 1 - The China Securities Index for the Hong Kong-Shanghai-Shenzhen 500 Energy Index closed at 2024.62 points, with a decline of 3.20% over the past month, 8.92% over the past three months, and 12.35% year-to-date [1] - The index is composed of 11 industry categories, reflecting the overall performance of different industry securities within the index series [1] - The top ten weighted stocks in the index include China National Offshore Oil Corporation (15.64%), China Shenhua Energy (12.01%), and China Petroleum & Chemical Corporation (8.40%) [1] Group 2 - The industry composition of the index shows that coal accounts for 37.51%, integrated oil and gas companies for 34.93%, and fuel refining for 20.53% [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Special circumstances may lead to temporary adjustments to the index samples, such as delisting or corporate actions like mergers and acquisitions [2]

Core Points - The Shanghai Composite Index decreased by 0.46%, while the CSI Hong Kong-Shanghai-Shenzhen 500 Energy Index reported at 2107.05 points [1] - The CSI Hong Kong-Shanghai-Shenzhen 500 Energy Index has increased by 2.88% over the past month, decreased by 7.24% over the past three months, and has declined by 8.78% year-to-date [1] Index Composition - The top ten holdings of the CSI Hong Kong-Shanghai-Shenzhen 500 Energy Index include: CNOOC (16.54%), China Shenhua (11.31%), PetroChina (11.0%), China Shenhua (8.99%), Sinopec (8.51%), PetroChina (8.3%), Sinopec (7.63%), Shaanxi Coal and Chemical Industry (6.99%), CNOOC (4.89%), and Guanghui Energy (2.56%) [1] - The market share of the index holdings is as follows: Shanghai Stock Exchange 49.67%, Hong Kong Stock Exchange 48.52%, and Shenzhen Stock Exchange 1.81% [1] Industry Breakdown - The industry composition of the CSI Hong Kong-Shanghai-Shenzhen 500 Energy Index is as follows: Coal 35.97%, Integrated Oil and Gas Companies 35.45%, Oil Refining 21.43%, Coke 3.10%, Oil and Gas Distribution and Others 2.56%, Oilfield Services 1.48% [2] - The index sample is adjusted biannually, with adjustments occurring 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 special circumstances allowing for temporary adjustments [2]

Core 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]