Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga March 09, 2015 at 08:17 AM EDT AcelRx Pharmaceuticals, Inc. (NASDAQ: ACRX) shares fell 46.11% to $4.71 in pre-market trading. AcelRx received an FDA update regarding ... Read More >> Related Stocks: Acelrx Pharmaceutica McDonald's Corp Michael Kors Holdings