Benzinga's Top #PreMarket Losers

AMAG Pharmaceuticals, Inc. AMAG fell 10.36 percent to $26.05 in pre-market trading after the company reported that it has received a complete response letter from the FDA related to single-dose vial of Makena. Best Buy Co Inc BBY shares tumbled 9.38 percent to $28.40 in pre-market trading after the company reported weak sales for the third quarter. Canadian Solar Inc. CSIQ shares dipped 2.27 percent to $20.70 in pre-market trading. Canadian Solar reported that its Recurrent Energy unit has closed financing for 100MW Astoria solar power project. Yandex NV YNDX shares declined 1.63 percent to $16.88 in pre-market trading after surging 5.47 percent on Wednesday. Office Depot Inc ODP shares fell 1.56 percent to $6.95 in pre-market trading after gaining 0.57 percent on Wednesday.