S&P 500 Index Futures Trading Flat By: Benzinga via Benzinga May 15, 2015 at 10:47 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: Exxon Mobil JPMorgan Chase & Co SPDR S&P 500 ETF Trust Wells Fargo