Benzinga's Top Pre-Market Losers

Centene Corp CNC lost 26.70% to $26.00 in the pre-market session. CNC lowered its full-year earnings forecast. Forest Laboratories Inc FRX dipped 7.96% to $32.85 in the pre-market session. FRX cut its 2013 profit forecast. Coventry Health Care Inc CVH fell 1.48% to $31.97 in the pre-market trading. CVH has a dividend yield of 1.50%. Groupon Inc GRPN moved down 1.02% to $10.65 in the pre-market session. GRPN's trailing-twelve-month ROE is -51.79%.