However, stiff competition from the likes of Cardinal Health ( CAH ) and PharMerica Corp. ( PMC ), and a booming inflation in high-cost branded drugs pose major headwinds. Click to get this free report OMNICARE INC (OCR): Free Stock Analysis Report CARDINAL HEALTH (CAH): Free Stock Analysis Report MCKESSON CORP (MCK): Free Stock Analysis Report PHARMERICA CORP (PMC): Free Stock Analysis Report To read this article on Zacks.com click here. Earnings per share (excluding special items and cash EPS adjustments) increased 9.2% from the year-ago quarter driven by 6.1% growth in net sales, higher operating efficiencies.