Benzinga's Top #PreMarket Gainers

Tesla Motors (NASDAQ: TSLA ) surged 11.95% to $216.78 in the pre-market session after the company reported better-than-expected fourth-quarter results. Raptor Pharmaceuticals (NASDAQ: RPTP ) soared 11.93% to $16.70 in the pre-market trading after the company announced positive clinical results with RP103 in Huntington's disease Phase 2/3 trial. Portfolio Recovery