...Bristol-Myers is now one of the largest pharmaceutical companies in the world, with pro forma combined revenue of about $40 billion. On its own, Bristol-Myers Squibb Co. has several blockbuster drugs and is an innovator in oncology. Its acquisition of Celgene Corp. has added a strong position in hematological oncology. The company is now a clear leader in oncology, alongside Roche. In total, the company has eight blockbuster drugs, including cardiovascular and immunology drugs. Leverage will be elevated due to the MyoKardia acquisition. The acquisition announcement is surprising given the normally very conservative company had just closed on its acquisition of Celgene less than a year ago. Thus, we revised the outlook to negative. However, we affirmed the rating because of the company's sizable free cash flow and commitment to reduce leverage. We believe the MyoKardia acquisition makes sense strategically. It adds a promising prospect to Bristol-Myers Squibb's pipeline and improves diversity...