Benzinga's Top #PreMarket Gainers

Synchronoss Technologies, Inc. SNCR gained 17.56 percent to $50.00 in pre-market trading on rumor of potential sale. Prima Biomed Ltd. PBMD shares rose 9 percent to $2.30 in pre-market trading after surging 7.11 percent on Tuesday. G-III Apparel Group, Ltd. GIII shares surged 7.76 percent to $64.75 in pre-market trading after the company reported stronger-than-expected results for the first quarter and raised its forecast for the year. Heron Therapeutics Inc HRTX shares climbed 5.65 percent to $24.50 in pre-market trading following filing from Chairman reporting 150K share purchase. GoPro Inc GPRO shares climbed 3.78 percent to $60.61 in pre-market trading. JP Morgan raised price target on GoPro from $70 to $75.