Jin Rong Jie·2025-06-12 10:41Group 1 - The A-share market showed mixed performance with the China Securities Public Utilities Index down by 0.39% closing at 2494.68 points and a trading volume of 8.457 billion [1] - Over the past month, the China Securities Public Utilities Index has decreased by 0.01%, increased by 5.61% over the last three months, and has declined by 2.47% year-to-date [1] - The index is designed to reflect the overall performance of different industry companies within the China Securities 800 Index, categorized into 11 primary and 35 secondary industries [1] Group 2 - The top ten holdings in the China Securities Public Utilities Index include: Changjiang Electric Power (16.87%), China Nuclear Power (10.59%), and Three Gorges Energy (8.41%) among others [1] - The market composition of the index shows that 84.49% of the holdings are from the Shanghai Stock Exchange and 15.51% from the Shenzhen Stock Exchange [1] - The public utilities sector accounts for 100.00% of the index's holdings [2] Group 3 - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, but can change with temporary adjustments due to events affecting the index [2] - Special events such as delisting, mergers, or changes in industry classification will prompt corresponding adjustments to the index samples [2]