永安药业实控人突遭留置，事发前股价7天5板

Core Viewpoint - The investigation of the actual controller of Yong'an Pharmaceutical, Chen Yong, comes amid unusual stock price fluctuations, raising concerns about the company's governance and financial health [2][3]. Company Investigation - Yong'an Pharmaceutical announced that its actual controller and chairman, Chen Yong, is under investigation by the Hubei Province Hefeng County Supervisory Committee and has been detained [2][3]. - Chen Yong holds 21.54% of Yong'an Pharmaceutical's shares as of the end of March this year [2][3]. - The company did not disclose the specific reasons for Chen's investigation, stating that other board members are performing their duties normally and that the company's control and operations remain unaffected [3][4]. Stock Price Fluctuations - The stock price of Yong'an Pharmaceutical experienced significant volatility, with a surge of nearly 60% over seven trading days, attributed to rumors of soaring taurine prices [2][6]. - The stock reached a peak of 14.34 CNY per share before declining to 11.62 CNY per share following the company's clarification that the rumors were untrue [6][7]. Financial Performance - Yong'an Pharmaceutical's revenue has been declining for three consecutive years, with a net loss of 4.367 million CNY reported in the first quarter of this year [2][8]. - The company's revenues for 2022, 2023, and 2024 were 1.462 billion CNY, 973 million CNY, and 839 million CNY, respectively, with net profits of 140 million CNY, -12 million CNY, and 6.2 million CNY [8]. Legal Challenges - The company is also facing long-term challenges from a cross-border lawsuit regarding patent infringement related to its taurine products [9]. - A court ruling in February 2024 found that Yong'an Pharmaceutical did not infringe on the patents claimed by VITAWORKS IP, LLC, but the case is still ongoing due to an appeal [9].