Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga September 17, 2014 at 08:10 AM EDT Rackspace Hosting (NYSE: RAX) fell 17.51% to $32.45 in pre-market trading after the company said it will remain independent despite ... Read More >> Related Stocks: Adobe Systems Genl Mills Pdl Biopharma Inc Retrophin Inc