中证香港300基建指数报1784.24点，前十大权重包含华润电力等

Group 1 - The core viewpoint of the article highlights the performance of the China Securities Hong Kong 300 Infrastructure Index, which reported a decline of 2.84% over the past month, an increase of 6.34% over the past three months, and a year-to-date rise of 2.77% [1] - The index is composed of selected securities from various sectors including banking, transportation, resources, infrastructure, logistics, and leisure, reflecting the overall performance of different thematic listed companies in the Hong Kong market [1] - The index's top ten holdings include China Mobile (33.85%), CLP Holdings (8.59%), CK Hutchison Holdings (7.42%), China Telecom (5.37%), Hong Kong and China Gas (5.07%), Power Assets Holdings (4.81%), China Unicom (3.49%), Towngas China (3.16%), Cheung Kong Infrastructure Holdings (2.45%), and China Resources Power (2.42%) [1] Group 2 - The index is adjusted semi-annually, 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 temporary adjustments made under special circumstances such as delisting or corporate actions like mergers and acquisitions [2]