Group 1 - On July 24, 17 Hong Kong-listed companies conducted share buybacks, totaling 17.15 million shares and an amount of 16.89 million HKD [1][2] - China Eastern Airlines repurchased 1.5 million shares for 4.44 million HKD, with a highest price of 2.980 HKD and a lowest price of 2.920 HKD, accumulating a total buyback amount of 606 million HKD for the year [1][2] - Mengniu Dairy repurchased 200,000 shares for 3.45 million HKD, with a highest price of 17.300 HKD and a lowest price of 17.240 HKD, accumulating a total buyback amount of 242 million HKD for the year [1][2] Group 2 - IGG repurchased 560,000 shares for 2.40 million HKD, with a highest price of 4.310 HKD and a lowest price of 4.260 HKD, accumulating a total buyback amount of 56.65 million HKD for the year [1][2] - The highest buyback amount on July 24 was from China Eastern Airlines at 4.44 million HKD, followed by Mengniu Dairy at 3.45 million HKD [1][2] - The largest number of shares repurchased on July 24 was by Ying Group, with a buyback of 5.5 million shares, followed by China Electric Power and Shoujia Technology [1][2]