Benzinga's Top Pre-Market Losers

News Corp NWS dipped 4.67% to $28.20 in the pre-market session. News Corp announced its plans to sell its 44% stake in Sky Network Television in New Zealand. Groupon GRPN shares fell 2.94% to $4.95 in the pre-market trading. Groupon's trailing-twelve-month ROE is -7.07%. Joy Global JOY shares dropped 1.97% to $60.84 in pre-market trading. Joy Global shares have dropped 24.64% over the past 52 weeks, while the S&P 500 index has gained 11.28% in the same period. Qiagen NV QGEN dipped 1.50% to $21.06 in the pre-market session. Qiagen's PEG ratio is 2.15.