Summary of Key Points Core Viewpoint - On October 17, 42 Hong Kong-listed companies conducted share buybacks, totaling 46.36 million shares and an aggregate amount of HKD 621 million [1][2]. Company-Specific Summaries - Xiaomi Group-W: - Repurchased 10.70 million shares for HKD 494 million, with a highest price of HKD 46.760 and a lowest price of HKD 45.900. The total buyback amount for the year reached HKD 1.537 billion [1][2]. - Sihuan Pharmaceutical: - Repurchased 15 million shares for HKD 21.76 million, with a highest price of HKD 1.470 and a lowest price of HKD 1.430. The total buyback amount for the year reached HKD 143.32 million [1][2]. - Mengniu Dairy: - Repurchased 1.20 million shares for HKD 16.97 million, with a highest price of HKD 14.250 and a lowest price of HKD 14.070. The total buyback amount for the year reached HKD 433.54 million [1][2]. - AAC Technologies: - Repurchased 300,000 shares for HKD 11.60 million, with a highest price of HKD 38.800 and a lowest price of HKD 38.480. The total buyback amount for the year reached HKD 84.64 million [1][2]. - Vitasoy International: - Repurchased 1.02 million shares for HKD 8.20 million, with a highest price of HKD 8.040 and a lowest price of HKD 8.020. The total buyback amount for the year reached HKD 27.54 million [1][2]. Overall Market Activity - The highest buyback amount on October 17 was from Xiaomi Group-W at HKD 494 million, followed by Sihuan Pharmaceutical at HKD 21.76 million. Other notable companies included Mengniu Dairy and AAC Technologies [1][2]. - In terms of share quantity, Sihuan Pharmaceutical led with 15 million shares repurchased, followed by Xiaomi Group-W with 10.70 million shares and Anton Oilfield Services with 4.49 million shares [1][2].