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.

Keith Speights has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. 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.