The Mice That Roared

We've noted before that small-cap stocks have been struggling some this year. The benchmark Russell 2000 small-cap index is down more than 2 percent on the year.

But small caps are also where you find some of the most outrageous gainers in the market. Here are the Top Ten earners so far in 2014:

1. Intercept Pharmaceuticals, up 251.66 percent
2. Pernix Therapeutics, up 182.94 percent
3. Intermune, up 169.72 percent
4. Furiex Pharamceuticals, up 147.70 percent
5. Maxwell Technologies, up 132.43 percent
6. Retrophin, up 100.11 percent
7. Pioneer Energy Services, up 93.01 percent
8. TriQuint Semiconductor, up 92.45 percent
9. RF Micro Devices, up 87.60 percent
10. Horizon Pharmaceuticals, up 85.96 percent