S&P 500 Index Futures Trading Lower By: Benzinga via Benzinga August 18, 2015 at 10:43 AM EDT Joel Elconin is the co-host of Benzinga's #PreMarket Prep, a daily trading idea radio show. S&p 500 index futures were ... Read More >> Related Stocks: Dow Jones Industrial Average (EOD) General Electric Johnson & Johnson SPDR S&P 500 ETF Trust Wells Fargo