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, health-care analyst David Williamson discusses Johnson & Johnson's (NYSE:JNJ) massive $2.2 billion settlement with the Department of Justice, amid allegations that the company gave its sales representatives incentive to market the company's antipsychotic drug Risperdal for off-label sales. David looks at just how common these types of allegations and settlements are, and says that despite the worrying headlines, investors shouldn't be concerned.