Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga February 06, 2015 at 08:20 AM EST Pandora Media, Inc.(NYSE: P) shares dropped 18.69% to $14.97 in pre-market trading after the company announced weaker-than-expected ... Read More >> Related Stocks: Activision Blizzard Expedia Gopro Inc Cl A Pandora Media Inc Yelp Inc