Benzinga's Top #PreMarket Losers

Michael Kors Holdings Ltd KORS shares dropped 12.84 percent to $52.81 in pre-market after the company reported weaker-than-expected earnings for the fiscal fourth quarter and issued a downbeat forecast for the current quarter. Workday Inc WDAY fell 8.37 percent to $84.75 in pre-market trading on Q1 results. Workday posted a Q1 a non-GAAP net loss of $0.02 per share, versus a non-GAAP net loss of $0.13 per share. Its total revenue climbed 57 percent year-over-year to $251.0 million. Oncothyreon Inc (USA) ONTY shares fell 2.01 percent to $3.42 in pre-market trading after jumping 15.95 percent on Tuesday. FireEye Inc FEYE shares tumbled 1.84 percent to $44.33 in pre-market trading after the company reported a $600 million convertible notes offering. Spectrum Pharmaceuticals, Inc. SPPI shares declined 1.44 percent to $6.15 in pre-market trading after falling 1.58 percent on Tuesday.