Group 1 - On August 11, eight Hong Kong-listed companies conducted share buybacks, totaling 2.55 million shares and an amount of 47.82 million HKD [1][2] - The company with the highest buyback amount on that day was Hang Seng Bank, repurchasing 200,000 shares for 23.16 million HKD, with a year-to-date buyback total of 160 million HKD [1][2] - MGM China repurchased 1 million shares for 15.90 million HKD, with a year-to-date buyback total of 54.44 million HKD [1][2] Group 2 - VITASOY International repurchased 582,000 shares for 5.38 million HKD, with a year-to-date buyback total of 228 million HKD [1][2] - Other companies involved in buybacks included North Forest Holdings and Yuhua Group, with respective buyback amounts of 2.10 million HKD and 0.21 million HKD [1][2] - The buyback activity reflects a trend among companies to return capital to shareholders amid market conditions [1]