Don't worry if you're already out of the hunt for the $1 billion that will be awarded to the person who picks every bracket correctly in the NCAA basketball playoffs. You still have a shot at making some money -- by investing in health care.

This week's list of humongous health-care stocks show how to jump through the hoops. One of our winners had great news from a European regulatory committee. Another announced a big merger. And the third bounced back somewhat from a horrible prior week. 

Which stocks made this week's top three? Find out by watching the following slideshow.