Jin Rong Jie·2025-07-31 07:40Group 1 - The core viewpoint of the article highlights the performance of the China Securities Hong Kong 100 Utilities Index, which has shown an increase of 4.62% over the past month, 3.60% over the past three months, and 2.49% year-to-date [1] - The index is classified according to the China Securities industry classification standards, with a base date of December 31, 2004, and a base point of 1000.0 [1] - The index is fully composed of securities listed on the Hong Kong Stock Exchange, with thermal power accounting for 61.92% and gas accounting for 38.08% of the holdings [1] Group 2 - The index sample is adjusted biannually, with adjustments 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, with special circumstances allowing for temporary adjustments [2] - Adjustments to the index occur in response to changes in the parent index, special events affecting industry classification, or the delisting of sample companies [2]