Benzinga's Top #PreMarket Losers

Durata Therapeutics

dipped 11.19% to $15.00 in pre-market trading. Durata Therapeutics confirmed the FDA approval of Dalvance to treat skin infections. JinkoSolar Holding Co

shares fell 9.13% to $23.50 in pre-market trading after the company reported weaker-than-expected first-quarter earnings. Pinnacle Foods

dropped 6.88% to $30.98 in pre-market trading on proposed Pilgrim's Pride

acquisition of Hilshire

. Staples

shares dropped 2.15% to $11.40 in pre-market trading after the company named Frank Bifulco as Executive Vice President, Marketing. Analysts at Goldman Sachs downgraded Staples from Neutral to Sell and lowered the target price from $11.50 to $11.