Benzinga's Top Pre-Market Losers

by Monica Gerson, Benzinga Staff Writer

September 20, 2013 8:18 AM | 1 min read | Make a Comment

Prosensa Holding NV

RNA

dipped 74.54% to $6.11 in the pre-market session on failed duchenne muscular dystrophy study. AK Steel Holding

AKS

shares fell 10.59% to $3.97 in the pre-market trading after the company projected wider loss for the third quarter. Sarepta Therapeutics

SRPT

shares dropped 8.69% to $33.50 in pre-market trading on GlaxoSmithKline

GSK

trial miss. Darden Restaurants

DRI

dipped 5.48% to $46.60 in the pre-market session after the company reported downbeat Q1 results and announced the retirement of its COO.

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