Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga August 18, 2015 at 08:21 AM EDT SanDisk Corporation (NASDAQ: SNDK) fell 3.08 percent to $56.41 in pre-market trading. Bank of America downgraded SanDisk from Buy to ... Read More >> Related Stocks: Jd.com Inc ADR SanDisk Corp Urban Outfitters Weibo Corp ADR Yahoo