Core Viewpoint - The stock of Lude Medical (920278) experienced a significant decline of 10.97% on December 19, 2025, closing at 10.71 yuan, with a total market capitalization of 1.869 billion yuan [1] Group 1: Stock Performance - On the trading day, the stock opened at 11.4 yuan, reached a high of 11.5 yuan, and a low of 10.45 yuan, with a trading volume of 2.78 billion yuan and a turnover rate of 34.51% [1] Group 2: Shareholder Actions - Shareholder Xiang Guoqiang completed a share reduction plan, selling 2,480,000 shares, which represents 1.4212% of the total share capital, between October 10, 2025, and December 17, 2025 [1] - The reduction occurred at a price range of 8.60 to 10.50 yuan per share, totaling 23,922,358.18 yuan [1] - After the reduction, Xiang Guoqiang holds 7,758,400 shares, accounting for 4.4461% of the total shares [1] - The combined shareholding of the actual controller and concerted parties is 54.8468% [1]