This episode of The Motley Fool's Market Checkup is dedicated to the world's largest pure-play biotech stock, Gilead Sciences (NASDAQ:GILD)Market Checkup gives a full examination of Gilead's second-quarter results, takes a closer look at the company's current product portfolio, and analyzes the future drugs that have investors excited about the stock's future.

In this video, health-care analysts David Williamson and Max Macaluso drill down on Gilead's strong second-quarter results. Watch and find out why Gilead's performed so well lately, and which drugs drove quarterly results higher.

Follow David on Twitter: @MotleyDavid.

David Williamson owns shares of Eli Lilly. Follow David on Twitter: @MotleyDavid. Max Macaluso, Ph.D. owns shares of Gilead Sciences. The Motley Fool recommends Gilead Sciences. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.