Benzinga's Top Pre-Market Losers

James River Coal Co JRCC shares dropped 16.43% to $2.39 in pre-market trading. James River Coal's PEG ratio is -0.04. Equinix EQIX dipped 10.24% to $183 in the pre-market session. Equinix's trailing-twelve-month ROA is 3.98%. Quiksilver ZQK dipped 8.74% to $7.00 in the pre-market session after the company reported a surprise loss in the second quarter. Lamar Advertising Co LAMR shares fell 7.82% to $41.98 in the pre-market trading after SAC Capital Advisors disclosed 5.3% passive stake in 13G filing out last night.