Dow Tumbles More Than 300 Points, Its Worst Day Of 2014 By: Benzinga via Benzinga October 15, 2014 at 13:49 PM EDT Midway through trading Wednesday, the Dow traded down 1.86 percent to 16,011.21 while the NASDAQ tumbled 1.44 percent to 4,166.12. ... Read More >> Related Stocks: AbbVie Bank of America Cadiz Inc Diodes Inc Ingredion Inc Itau Unibanco Banco Holding S.A. ADR KeyCorp Macy's Oil-Dri Corp of America Qualcomm, Inc. Shire Plc Ads