Core Viewpoint - The stock price of Giant Bio (HK02367) experienced a significant decline following allegations of product fraud related to its brand, Kefu Mei, which led to a public statement denying the accusations and asserting compliance with regulatory standards [9][10]. Group 1: Company Performance - As of May 26, Giant Bio's stock opened with a drop exceeding 8%, later narrowing to a decline of 3.52% [1]. - The company's market capitalization is approximately 80 billion HKD [11]. - Kefu Mei, a brand under Giant Bio, reported sales revenue exceeding 4.5 billion CNY in 2024, reflecting a year-on-year growth of 62.9% [10]. Group 2: Industry Context - The A-share market saw a collective decline in stocks related to recombinant protein, with notable drops in companies such as Ruizhi Pharmaceutical and Sanofi Guojian, each falling nearly 6% [2]. - The market reaction indicates a broader concern regarding the credibility of companies in the recombinant protein sector following the allegations against Giant Bio [2].
旗下可复美陷“造假门”！巨子生物开盘跌超8%，A股重组蛋白概念股下跌