Bristol-Myers Squibb Increased activity being observed at Bristol-Myers Squibb (BMY) is aimed at further empowering the firm's various franchises. It all started with the firm’s attempt to empower its oncology franchise with the creation and approval of its checkpoint protein inhibitor Opdivo (nivolumab) - a programmed Death-1 (PD-1) inhibitor. This antibody has been the most successful attempt . . . This content is for paid …