Group 1 - The core viewpoint of the article highlights the performance of the China Securities Hong Kong 100 Industrial Index, which has shown significant growth over various time frames, including a 13.32% increase in the past month, a 21.36% increase in the past three months, and a 16.87% increase year-to-date [1] - The index is categorized based on the China Securities industry classification standards, with a base date of December 31, 2004, and a base point of 1000.0 [1] - The index is fully composed of securities listed on the Hong Kong Stock Exchange, indicating a complete focus on this market [1] Group 2 - The index's holdings are primarily concentrated in the express delivery sector, which accounts for 58.05% of the index, followed by comprehensive logistics at 10.75%, industrial group enterprises at 10.63%, commercial vehicles at 7.49%, shipping at 7.08%, and air transportation at 5.99% [1] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after 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 changes in the parent index or significant events affecting sample companies [2]

Group 1 - The core viewpoint of the article highlights the performance of the China Securities Hong Kong 100 Industrial Index, which has shown significant growth over various time frames, including a 14.37% increase in the past month and a 22.48% increase over the past three months [1] - The index is categorized based on the China Securities industry classification standard, with a base date of December 31, 2004, and a base point of 1000.0 [1] - The index is fully composed of securities listed on the Hong Kong Stock Exchange, with the largest sector being express delivery, accounting for 58.70% of the index [1] Group 2 - The index samples are adjusted biannually, specifically on the second Friday of June and December, with weight factors fixed until the next adjustment unless special circumstances arise [2] - Adjustments to the index samples occur in response to changes in the parent index or significant events affecting the sample companies, such as mergers or delistings [2]