Group 1 - The core viewpoint of the article highlights the significant performance of the China Securities Hong Kong Stock Connect Education Services Composite Index, which has seen substantial increases over various time frames, including a 25.62% rise in the past month, a 37.17% rise in the past three months, and a 46.61% rise year-to-date [1] - The index is designed to reflect the overall performance of different industry securities within the Hong Kong Stock Connect, with a base date of December 31, 2021, and a base point of 3000.0 [1] - The index's holdings are entirely composed of securities listed on the Hong Kong Stock Exchange, with 53.77% allocated to academic education and 46.23% to training education and other sectors [1] Group 2 - The index sample is adjusted biannually, specifically 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, but can be modified in response to special events affecting the index sample [2] - The handling of sample companies undergoing events such as delisting, mergers, or suspensions follows specific calculation and maintenance guidelines [2]