Benzinga's Top #PreMarket Losers

MannKind Corporation MNKD shares declined 6.34 percent to $3.10 in pre-market trading after falling 4.34 percent on Friday. Chipotle Mexican Grill, Inc. CMG shares fell 4.41 percent to $612.00 in pre-market trading following a report that Seattle and Portland locations were shut due to E. coli outbreak. Visa Inc V shares dipped 1.46 percent to $76.45 in pre-market trading. Visa reported downbeat quarterly earnings. The company reported a new $5 billion stock buyback program and also agreed to acquire Visa Europe Ltd. in a deal worth up to 21.2 billion euros. PMC-Sierra Inc PMCS shares tumbled 1.43 percent to $11.75 in pre-market trading. PMC-Sierra's board said Microsemi Corporation's MSCC latest proposal is not superior to Skyworks Solutions Inc's SWKS transaction. Sirius XM Holdings Inc. SIRI fell 0.74 percent to $4.05 in pre-market trading after dropping 1.21 percent on Friday.