Group 1 - The core viewpoint of the articles highlights the performance of the China Securities Hong Kong 300 Mainland High Beta Index, which has seen a decline of 5.65% over the past month, an increase of 7.30% over the past three months, and a year-to-date rise of 5.77% [1][2] - The index is designed to reflect the overall performance of securities listed on the Hong Kong Stock Exchange from various strategic investment perspectives, with a base date of December 30, 2005, set at 1000.0 points [1][2] - The top ten holdings of the index include MicroPort Scientific Corporation-B (4.73%), Hua Hong Semiconductor (3.15%), XPeng Inc. (2.82%), Country Garden Services (2.63%), Guotai Junan Securities (2.61%), China Jinmao Holdings Group (2.61%), Alibaba Health Information Technology (2.57%), WuXi Biologics (2.51%), Longfor Group (2.30%), and MicroPort Medical (2.26%) [1][2] Group 2 - The industry composition of the index holdings shows that real estate accounts for 23.24%, finance for 20.61%, healthcare for 17.65%, consumer discretionary for 16.63%, information technology for 10.68%, communication services for 4.05%, materials for 3.03%, consumer staples for 2.09%, and industrials for 2.03% [2] - The index sample is adjusted biannually, with adjustments implemented on the next trading day following the second Friday of June and December each year. Weight factors are generally fixed until the next scheduled adjustment [2]