Group 1 - The companies involved in the share buyback on August 19, 2025, include Tencent Holdings, China Hongqiao, Hang Seng Bank, Concord Medical, Yuan Zheng Technology, and Qianhai Equity Investment [1] - Tencent Holdings had the largest buyback amount, repurchasing 932,000 shares for a total of 550 million [1] - The cumulative buyback amounts for the year show Tencent Holdings at 39.33 million shares, representing 0.428% of its total share capital [1] Group 2 - China Hongqiao repurchased 3.98 million shares for a total of 93.29 million, with a cumulative buyback of 4.93 million shares, accounting for 0.530% of its total share capital [1] - Hang Seng Bank bought back 200,000 shares for 22.38 million, with a cumulative total of 2.60 million shares, which is 0.138% of its total share capital [1] - Concord Medical repurchased 116,300 shares for 1.16 million, with a cumulative buyback of 216,200 shares, representing 0.299% of its total share capital [1] - Yuan Zheng Technology bought back 8,500 shares for 99,700, with a cumulative total of 217,750 shares, accounting for 1.348% of its total share capital [1] - Qianhai Equity Investment repurchased 14,800 shares for 19,300, with a cumulative total of 70,720 shares, representing 0.236% of its total share capital [1]