y*l2014-04-21 07:045 楼Allergan (AGN_) soared in after-hours trading on Monday amid news thatactivist investor William Ackman and Valeant Pharmaceuticals Internationalhave joined forces to pursue a takeover of the health care company.【在 p**y 的大作中提到】: sorry: 盘后为何狂涨20%!!!!!!!!!!!!!!!!!!!!!!