Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga May 01, 2014 at 08:19 AM EDT SLM (NASDAQ: SLM) dropped 63.38% to $9.43 in pre-market trading after gaining 0.10% on Wednesday. Credit Suisse initiated coverage on ... Read More >> Related Stocks: Quicklogic Corp SLM Corp Vodafone Grp Plc ADR