S&P 500 Index Futures Trading Lower By: Benzinga via Benzinga June 02, 2015 at 10:38 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 trading ... Read More >> Related Stocks: Apple General Electric Procter & Gamble SPDR S&P 500 ETF Trust Wells Fargo