8 stocks up more than 200% year to date: Cramer By: CNBC.com News October 01, 2013 at 18:48 PM EDT They're among the best performers in the Russell 2000 and they all share something in common. Know what it is? Read More >> Related Stocks: Acadia Pharmaceutica Celldex Therapeutics Clovis Oncology Inc Insys Therapeutics Inc Keryx Biopharm Inc