Benzinga's Top Pre-Market Losers

Qihoo 360 Technology Co

dipped 6.16% to $82.45 in the pre-market session. Qihoo 360 shares have jumped 255.42% over the past 52 weeks, while the S&P 500 index has gained 15.52% in the same period. Perion Network

dipped 5.24% to $12.48 in the pre-market session as the company announced an agreement to combine Conduit's Client Connect business with Perion in an all-stock transaction. Bottomline Technologies

shares dropped 1% to $27.60 in pre-market trading. Bottomline's trailing-twelve-month ROE is -4.29%. Silver Standard Resources

shares fell 0.84% to $7.10 in the pre-market trading. Silver Standard's PEG ratio is -0.04.