The following video is part of our "Motley Fool Conversations" series, in which David Williamson, health-care editor and analyst, and Austin Smith, consumer-goods editor and analyst, discuss topics around the investing world.

In today's edition, David and Austin discuss the big Q4 pre-releases that came out ahead of the JPMorgan Annual Healthcare Conference. Positive operational updates sent shares soaring by double digits for a pair of biotechs that struggled mightily in 2011. Find out more in the video.

Austin Smith has no positions in the stocks mentioned above. David Williamson owns shares of Dendreon. The Motley Fool owns shares of Dendreon. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.