Worst Performing Industries For July 31, 2014 By: Benzinga via Benzinga July 31, 2014 at 11:03 AM EDT The Dow dropped 0.99% to 16,712.49, while the NASDAQ composite index fell 1.46% to 4,397.81. The broader Standard & Poor's 500 index ... Read More >> Related Stocks: 3D Systems Corp Build-A-Bear Workshop