Biogen临床试验未达标，律师事务所启动证券违规调查
股价单日重挫6.4%，多家律所介入调查受阿尔茨海默病反义寡核苷酸疗法diranersen二期CELIA研究未达主要终点影响，Biogen股价在5月14日下挫约6.4%。随后，SueWallSt、Levi & Korsinsky等多家律师事务所已对该公司展开调查，评估其是否涉嫌证券欺诈或误导性陈述。调查重点关注公司在披露临床试验数据之前的相关声明是否构成对投资者的误导。试验数据解读：主要终点未达成，认知改善仍可见CELIA研究共纳入超过400名早期阿尔茨海默病患者，评估不同剂量diranersen相较于安慰
Biogen将收购Apellis pharmaceuticals for $56 billion
Biogen has agreed to buy Apellis pharmaceuticals for $56 billion, expanding its capabilities in the immune system and rare diseases. This is the company's largest deal in its history. The company will pay $41 per share, which is more than double the closi