Actavis, Inc. has entered into a definitive agreement to acquire Warner Chilcott in a transaction valued at approximately $8.5 billion. Once completed, the transaction will create a leading global specialty pharma company with approximately $11 billion in combined annual revenues, and the third-largest U.S. specialty pharma company with approximately $3 billion in annual revenues focused on women’s health, gastroenterology, urology and dermatology.    At the close of the transaction, expec...