Group 1 - The core index, the CESHKM, experienced a decline of 0.33%, closing at 6880.32 points with a trading volume of 906.03 billion [1] - Over the past month, the CESHKM index has increased by 4.96%, by 7.28% over the last three months, and has risen by 23.32% year-to-date [1] - The CESHKM index is part of a series of indices that reflect the overall performance of large and mid-cap securities listed in Shanghai, Shenzhen, and Hong Kong, with a base date of December 31, 2004, and a base point of 2000.0 [1] Group 2 - The top ten holdings in the CESHKM index include Tencent Holdings (11.02%), Alibaba-W (10.05%), Xiaomi Group-W (7.86%), and others, indicating a concentration in major tech and financial firms [1] - The index is fully composed of stocks listed on the Hong Kong Stock Exchange, with the largest sector being consumer discretionary at 30.46%, followed by communication services at 23.17% and financials at 21.98% [2] - The industry breakdown of the CESHKM index shows a diverse allocation, with technology at 10.63%, energy at 5.98%, and healthcare at 3.08%, among others [2]