Valeant, Ackman offer to buy Botox maker Allergan for $47 billion
April 22, 2014 at 22:48 PM EDT
(Reuters) - Canada's Valeant Pharmaceuticals International Inc said on Tuesday it and activist investor Bill Ackman made an unsolicited $47 billion bid to buy Botox maker Allergan Inc as it seeks to become one of the world's five biggest drug companies.
