China Unicom(SH:600050) Jin Rong Jie·2025-08-06 08:36Group 1 - The core viewpoint of the article highlights the performance of the China Securities Hong Kong 300 Infrastructure Index, which has shown a monthly increase of 2.12%, a three-month increase of 6.15%, and a year-to-date increase of 9.60% [1] - The index is composed of selected securities from the China Securities Hong Kong 300 Index, focusing on various industry themes such as banking, transportation, resources, infrastructure, logistics, and leisure [1] - The index was established on December 31, 2004, with a base point of 1000.0 [1] Group 2 - The top ten holdings of the China Securities Hong Kong 300 Infrastructure Index include China Mobile (33.23%), Cheung Kong (8.57%), CLP Holdings (8.5%), China Telecom (5.22%), Hong Kong and China Gas (4.91%), Power Assets Holdings (4.89%), China Unicom (3.7%), ENN Energy (3.2%), CK Infrastructure Holdings (2.61%), and China Resources Power (2.53%) [1] - The index's holdings are entirely composed of securities listed on the Hong Kong Stock Exchange, with a sector breakdown showing 52.30% in telecommunications services, 42.28% in utilities, 4.16% in construction and decoration, and 1.26% in transportation [1] Group 3 - 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, with provisions for temporary adjustments in special circumstances such as delisting or corporate actions like mergers and acquisitions [2]