Benzinga's Top Pre-Market Losers

Polycom PLCM dipped 12.34% to $9.80 in the pre-market session after the company announced the resignation of its CEO. Broadcom BRCM shares fell 9.83% to $28.70 in the pre-market trading after the company issued weak revenue forecast for the third quarter. Panera Bread Co PNRA shares dropped 6.60% to $170 in pre-market trading after the company reported downbeat quarterly results and cut its 2013 forecast. Hercules Offshore HERO dipped 6.37% to $7.20 in the pre-market session after the company provided updates to the incident aboard jackup drilling rig Hercules 265.