The Russell 3,000 makes up about 98% of the US equity market, and below we highlight the stocks in the index that are up the most so far in 2010. These names are all up 100% or more year to date. With a third of the year left, Wabash National (NYSE:WNC) holds onto the top spot with a gain of 265.08%. Somaxon Pharmaceutical (NASDAQ:SOMX) ranks second at 253.70%, while Applied Energetics (NASDAQ:AERG), IDT Corp (NYSE:IDT), Acme Packet (NASDAQ:APKT) and Isilon Systems (ISLN) are the rest of the names with YTD gains of more than 200%. The most recognizable name on this list is probably NetFlix (NASDAQ:NFLX), which is currently up 150.32% in 2010. A few other noteworthy stocks on the list of big winners include Crocs (NASDAQ:CROX), 3PAR (NYSE:PAR), MBIA (NYSE:MBI), OpenTable (NASDAQ:OPEN), and Las Vegas Sands (NYSE:LVS). It will be interesting to see how much this list changes by the end of the year.