Group 1 - The article reports on share buybacks conducted by various companies on January 12, 2026, with Tencent Holdings (00700) having the largest buyback amount of 636 million yuan for 1.024 million shares [1][2] - Other notable companies involved in the buyback include Geely Automobile (00175) with 9.007 million shares repurchased for 151 million yuan, and Sunny Optical Technology (02382) with 1.24 million shares for 79.34 million yuan [1][2] - The total number of shares repurchased by Tencent represents 1.188% of its total share capital, while Geely's buyback accounts for 0.438% of its total share capital [2] Group 2 - The buyback activities reflect a trend among companies to return capital to shareholders, with some companies like Antong Oilfield Services (03337) and Weigao Group (01066) showing significant percentages of their total share capital being repurchased, at 2.460% and 6.459% respectively [2][3] - Companies such as Vitasoy International (00345) and Keep (03650) also participated in the buyback, with their repurchase amounts being 432,600 yuan and 28,900 yuan respectively, indicating a diverse range of companies engaging in this practice [3] - The data suggests a strategic move by these companies to enhance shareholder value and potentially stabilize their stock prices amid market fluctuations [1][2]