In this video, health-care analyst David Williamson discusses today's big market movers, featuring a buyout, a huge move on no news, and a Wall Street analyst predicting a drug approval. Watch and see why these stocks were making waves, and how it impacts investors. 

 

 

David Williamson has no positions in the stocks mentioned above. Follow him on Twitter @MotleyDavid. The Motley Fool has no positions in the stocks mentioned above. 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.