Sure, it's still cold across most of the country. After all, the famous groundhog in Punxsutawney, Pa., did see his shadow in early February. According to the legend, that means we still have a few more weeks of winter. However, some health-care stocks are already generating so much heat you'd think it was summer.

One of these sizzling stocks announced terrific late-stage clinical results for a lead drug. Another scored an options licensing deal with a major pharmaceutical company. Our third big winner of the week benefited from a price target upgrade.

Which stocks made this week's most humongous list? Find out by watching the following slideshow.