May's Winners and Losers

May was another tough one for the stock market, with the S&P 500 index losing 6.2 percent over the course of the month. But still, there were some winners amid the gloom. Here were the S&P 500's best-performing stocks for the month of May:

1. Dean Foods, up 27. 4 percent
2. TripAdvisor Inc., up 14.3 percent
3. Cooper Industries, up 13.7 percent
4. Wal-Mart Stores, up 11.7 percent
5. Scripps Network Interactive, up 9 percent

And here are the five biggest laggards for May:

1. Fossil Inc., down 44 percent
2. Alpha Natural Resources, down 35 percent
3. Abercrombie & Fitch, down 32 percent
4. First Solar Inc., down 31.7 percent
5. U.S. Steel, down 28.3 percent