Benzinga's Top #PreMarket Losers

Seres Therapeutics Inc MCRB shares declined 14.40 percent to $44.00 in pre-market trading after jumping 185.56 percent on Friday. Baozun Inc (ADR) BZUN fell 5.06 percent to $10.50 in pre-market trading after dropping 3.32 percent on Friday. Exelixis, Inc. EXEL shares fell 4.51 percent to $3.60 in pre-market trading after declining 1.31 percent on Friday. Canadian Solar Inc. CSIQ shares dropped 4.40 percent to $28.44 in pre-market after dipping 7.44 percent on Friday. Ambarella Inc AMBA shares tumbled 3.35 percent to $98.17 in pre-market trading after slipping 3.01 percent on Friday.