On Monday, Morgan Stanley health analysts picked five healthcare stocks that they believe investors should own now. Notably, only one is a medical device firm. The stocks that they advised investors to buy now are CareFusion (NYSE:CFN), the California medical device company; Coventry Health Care (NYSE:CVH), the Maryland managed healthcare company; UnitedHealth Group (NYSE:UNH), the Minnesota insurance giant; Pfizer (NYSE:PFE), the New Jersey drugmaker; and Express Scripts (NASDAQ:ESRX), the Missouri pharmacy benefit management company.