Benzinga's Top #PreMarket Losers

SLM SLM dropped 63.38% to $9.43 in pre-market trading after gaining 0.10% on Wednesday. Credit Suisse initiated coverage on SLM with a Outperform rating. JDS Uniphase JDSU shares fell 8.45% to $11.60 in pre-market trading after the company reported downbeat Q3 results and issued a weak Q4 forecast. QuickLogic QUIK dipped 4.65% to $4.51 in pre-market trading after the company reported a Q1 loss of $0.03 per share on revenue of $11.20 million. Vodafone Group Public Limited Company VOD shares dropped 3.06% to $36.80 in pre-market trading after gaining 1.20% on Wednesday.