Benzinga's Top #PreMarket Gainers

zulily (NASDAQ: ZU ) soared 10.81% to $47.47 in the pre-market trading after the company reported upbeat Q4 results. Cara Therapeutics (NASDAQ: CARA ) surged 10.34% to $16.00 in the pre-market session after Stifel Nicolaus initiated coverage on the stock with a Buy rating. BioCryst Pharmaceuticals (NASDAQ: BCRX )