Benzinga's Top Pre-Market Losers

Groupon GRPN shares dropped 3.77% to $10.20 in pre-market trading. Groupon's PEG ratio is 3.42. EMC EMC shares fell 3.72% to $24.30 in the pre-market trading after the company reported downbeat Q3 profit and lowered its FY13 outlook. Coach COH dipped 3.05% to $52.53 after the company reported a drop in its Q1 profit. ARM Holdings plc ARMH dipped 1.37% to $51.07 in the pre-market session on Q3 results.