Core Viewpoint - Multiple companies in China conducted share buybacks on October 17, 2025, with Xiaomi Group-W leading in terms of buyback amount and quantity [1][2] Group 1: Buyback Details - Xiaomi Group-W (01810) repurchased 10.70 million shares for a total of 494 million yuan, with a year-to-date total of 27.30 million shares, representing 0.110% of its total share capital [2] - Four Seasons Pharmaceutical (00460) repurchased 15 million shares for 21.76 million yuan, with a year-to-date total of 59.60 million shares, representing 0.647% of its total share capital [2] - Mengniu Dairy (02319) repurchased 1.20 million shares for 16.97 million yuan, with a year-to-date total of 18.52 million shares, representing 0.473% of its total share capital [2] Group 2: Other Notable Buybacks - VITASOY International (00345) repurchased 1.02 million shares for 8.20 million yuan, with a year-to-date total of 566.60 million shares, representing 0.540% of its total share capital [2] - Zhongtong Express-W (02057) repurchased 445,000 shares for 8.41 million yuan, with a year-to-date total of 5.07 million shares, representing 0.630% of its total share capital [2] - Huazhong Media (00685) repurchased 500,000 shares for 50,000 yuan, with a year-to-date total of 225.60 million shares, representing 0.139% of its total share capital [2]