Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga February 18, 2015 at 08:17 AM EST MedAssets, Inc.(NASDAQ: MDAS) shares dropped 16.79% to $16.50 in pre-market trading after the company reported Q4 adjusted earnings of ... Read More >> Related Stocks: Fossil Group Garmin Ltd Transocean Ltd