How would you like a 40% gain in one week? How about gains of over 120% -- or more than 220%? Shareholders of three health-care stocks don't have to wonder how they'd like those types of returns. They experienced the joy first-hand.

One of this week's huge winners surged after an unexpected buyout by a big pharmaceutical firm. Another also reaped benefits from this acquisition as well as a positive decision by the U.S. Food and Drug Administration. The third stock on this week's list also got a boost from an FDA decision.

Which three health-care stocks soared stupendously this week? Find out by watching the slideshow below.