In this edition of The Motley Fool's health care show Market Checkup, health care analysts David Williamson and Max Macaluso discuss Gilead Sciences, the biggest biotech company in the world.

David Williamson owns shares of Pfizer. Max Macaluso, Ph.D. owns shares of Gilead Sciences. The Motley Fool recommends Gilead Sciences, Johnson & Johnson, and Vertex Pharmaceuticals. The Motley Fool owns shares of Johnson & Johnson. 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.