From the smallest biotech to the biggest pharmaceutical stock The Motley Fool's Market Check-Up covers the health-care sector's biggest headlines, hottest market movers, and Obamacare's ongoing rollout.
In this segment from Tuesday's episode, health-care analyst David Williamson looks into three big pieces of bad news for big pharma companies GlaxoSmithKline (NYSE: GSK ) , Sanofi (NYSE: SNY ) , and Pfizer (NYSE: PFE ) . David looks at one embattled drug from each of these three companies, and ranks just how bad the damage really is case by case.
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Follow David on Twitter: @MotleyDavid.