Benzinga's Top #PreMarket Losers

Geron GERN shares fell 21.53% to $4.41 in the pre-market trading. Geron's PEG ratio is -3.94. First Merchants FRME dipped 7.01% to $19.50 in the pre-market session. First Merchants is expected to report its Q4 financial results on January 28, 2014. GW Pharmaceuticals plc GWPH dipped 4.11% to $47.13. GW Pharmaceuticals' trailing-twelve-month profit margin is -14.81%. Vodafone Group Public Limited Company VOD shares dropped 3.50% to $36.71 in pre-market trading. AT&T T confirmed that it does not intend to make an offer for Vodafone.