Jin Rong Jie·2025-06-03 08:07Group 1 - The core viewpoint of the news is that the China Hong Kong 300 Infrastructure Index has shown positive performance, with a 4.41% increase over the past month, a 7.48% increase over the past three months, and a 7.41% increase year-to-date [1] - The index is composed of selected securities from the China 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 weighted holdings in the China Hong Kong 300 Infrastructure Index include China Mobile (34.26%), CLP Holdings (8.4%), Cheung Kong (7.42%), China Telecom (5.2%), Hong Kong and China Gas (4.89%), Power Assets Holdings (4.71%), China Unicom (3.61%), ENN Energy (3.12%), China Resources Power (2.52%), and CK Infrastructure Holdings (2.41%) [1] - The index's holdings are entirely composed of securities listed on the Hong Kong Stock Exchange, with a 100% allocation [1] - In terms of industry composition, telecommunications services account for 52.05%, utilities for 40.92%, construction and decoration for 4.75%, and transportation for 2.28% [1] Group 3 - The index sample is adjusted biannually, with adjustments occurring on the next trading day following the second Friday of June and December each year [2] - Weight factors are adjusted in accordance with the sample adjustments, which are fixed until the next scheduled adjustment unless a special circumstance arises [2] - Companies that are delisted or undergo mergers, acquisitions, or spin-offs are handled according to the calculation and maintenance guidelines [2]