Jin Rong Jie·2025-08-15 07:49Group 1 - The core viewpoint of the article highlights the performance of the China Securities Hong Kong 300 Energy Index, which has shown significant increases over various time frames, including a 5.62% rise in the past month, a 12.34% rise in the past three months, and a 6.61% rise year-to-date [1] - The China Securities Hong Kong 300 Industry Index series is designed to reflect the overall performance of different industries in the Hong Kong market, with the index based on a sample of all securities classified according to the China Securities industry classification standards [1] - The China Securities Hong Kong 300 Energy Index is fully composed of stocks listed on the Hong Kong Stock Exchange, with specific sector allocations including 41.25% in fuel refining, 32.54% in integrated oil and gas companies, 23.92% in coal, 1.57% in oilfield services, and 0.72% in coke [1] Group 2 - The index sample is adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, but can be modified in the event of temporary adjustments due to changes in the underlying index samples [2] - Special events affecting sample companies, such as delistings or mergers, will lead to corresponding adjustments in the China Securities Hong Kong 300 Industry Index series [2]