BOSTON (Reuters) - Hedge fund manager William Ackman's $13.6 billion Pershing Square Capital Management has received permission from the U.S. Federal Trade Commission to turn Allergan Inc options into shares, a source familiar with the matter said on Friday.
Ackman is working with Valeant Pharmaceuticals International Inc
(Reporting by Svea Herbst-Bayliss; Editing by Lisa Von Ahn)