S&P 500 Index Futures Trading Lower By: Benzinga via Benzinga August 13, 2015 at 10:25 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 Pfizer SPDR S&P 500 ETF Trust Wells Fargo