First Security Group (NASDAQ: FSGI ) shares dipped 16.37% to $1.89 at 11:53 am. First Security's PEG ratio is -0.01. B.O.S. Better Online Solutions (NASDAQ: BOSC ) fell 13.40% to $4.20. B.O.S' trailing-twelve-month profit margin is -10.32%. Plumas Bancorp (NASDAQ: PLBC ) shares lost 13.19% to $3.29. Plumas Bancorp's