Group 1 - The article reports on share buybacks conducted by various companies on December 22, 2025, with Tencent Holdings (00700) leading in both the number of shares repurchased and the total amount spent [1] - Tencent Holdings repurchased 1.035 million shares for a total of 636 million yuan, representing 1.052% of its total share capital for the year [2] - Other notable companies involved in the buyback include Xiaomi Group (01810), which repurchased 3.75 million shares for 149 million yuan, and China COSCO Shipping Holdings (01919), which repurchased 4.15 million shares for approximately 56.6 million yuan [2] Group 2 - The total number of shares repurchased by various companies varies significantly, with some companies like Huohai Biotechnology (06826) and Juzhi Biotechnology (02367) showing higher percentages of their total share capital repurchased [3] - For instance, Huohai Biotechnology repurchased 17,000 shares, accounting for 6.429% of its total share capital, while Juzhi Biotechnology repurchased 400,000 shares, representing 0.373% of its total [3] - The data indicates a trend of companies engaging in share buybacks as a strategy to enhance shareholder value and potentially stabilize stock prices during uncertain market conditions [1][2]