Benzinga's Top #PreMarket Losers

MannKind MNKD fell 10.92% to $6.12 in pre-market trading after the company announced that the FDA extended PDUFA date for AFREZZA by 3 months. Himax Technologies HIMX dipped 2.71% to $11.12 in the pre-market session after falling 4.11% on Friday. GT Advanced Technologies GTAT dipped 2.60% to $16.46 in pre-market trading after the company announced $58.6 million specialty furnace orders. Canadian Solar CSIQ shares dropped 2.07% to $30.34 in pre-market trading after tumbling 4.41% on Friday.