This episode of The Motley Fool's Market Checkup drills down on the day's hottest headlines, highlighting the stories and stocks that should be on all investors' radars. Market Checkup gives a full examination of the recent regulatory action around a new super fish-oil drug and looks at a yet another biotech putting itself up for sale.

In this video, health-care analysts David Williamson and Max Macaluso discuss the FDA's accepting a new drug application for Epanova. AstraZeneca recently spent more than $400 million acquiring the rights to the fish oil-based drug and has big plans for it. Watch and find out about Epanova's competitors, why recent studies may work against it, and what AstraZeneca has up its sleeve that makes this drug so important to the big pharma.

Follow David on Twitter: @MotleyDavid.