Core Viewpoint - Youjia Innovation (02431) has seen a significant increase in stock price, rising over 10% in the afternoon trading session, with a current price of 13.86 HKD and a trading volume of 266 million HKD, ahead of the upcoming lock-up expiration on December 29, 2025 [1] Group 1 - Youjia Innovation's major shareholders, including Liu Guoqing, Yang Guang, Zhou Xiang, Wang Qicheng, and individual shareholders Yan Shengye and Wu Jianxin, have voluntarily extended the lock-up period for their shares and committed not to reduce their holdings in any manner [1] - The company's chairman, Liu Guoqing, has purchased a total of 50,000 H-shares in the open market at an average price of approximately 12.60 HKD per share on January 5, 2026 [1] Group 2 - Significant shareholder, Siwei Tuxin, has expressed confidence in Youjia Innovation's long-term investment value and development potential, indicating no immediate plans to reduce their stock holdings [1] - Meng Qingxin, Senior Vice President and CMO of Siwei Tuxin, emphasized trust in Youjia Innovation's solid fundamentals and growth potential, and highlighted ongoing collaboration in advanced technology research and global market expansion [1]