Benzinga's Top Pre-Market Losers

Geron GERN shares dropped 18.92% to $1.20 in pre-market trading. Geron announced its plans to end development of GRN1005, an experimental brain cancer drug. It also announced its plans to cut 43 jobs Vail Resorts MTN shares fell 7.79% to $51.49 in the pre-market trading. Vail Resorts reported a wider first-quarter loss. MetroPCS Communications PCS dipped 7.15% to $10.00 in the pre-market session. According to Reuters, Sprint Nextel S is not likely to make a counteroffer for MetroPCS. Pep Boys-Manny Moe & Jack PBY dipped 6.37% to $10.00 in the pre-market session. Pep Boys posted a loss in the fiscal third quarter.