Benzinga's Top #PreMarket Losers

KaloBios Pharmaceuticals

dipped 30.97% to $3.21 in the pre-market session following poor Phase 2 study results from KB003. Citrix Systems

shares fell 8.16% to $52.90 in the pre-market trading after the company issued a downbeat forecast. Baird downgraded the stock from Outperform to Neutral and cut the price target from $75.00 to $64.00. Tractor Supply Company

shares dropped 6.51% to $64.50 in pre-market trading after the company issued a weak FY14 guidance. Deutsche Bank downgraded the stock from Buy to Hold and lowered the price target from $78.00 to $65.00. Exxon Mobil

dipped 1.06% to $94.10 after the company reported a drop in its Q4 profit.