Benzinga's Top #PreMarket Losers

athenahealth ATHN shares fell 12.88% to $114.00 in the pre-market trading after the company issued a downbeat outlook for fiscal year 2014. Ciena CIEN dipped 10.87% to $20.41 after the company reported a weak Q4 profit. Lululemon Athletica LULU shares dropped 9% to $62.20 in pre-market trading after the company issued a weak guidance. Camtek CAMT dipped 3.89% to $3.46 in the pre-market session after falling 5.76% on Wednesday.