S&P 500 Index Futures Trading Lower In Quiet Session By: Benzinga via Benzinga May 22, 2015 at 11:40 AM EDT em>Joel Elconin is the co-host of Benzinga's #PreMarket Prep, a daily trading idea radio show. S&P 500 index futures ... Read More >> Related Stocks: Apple Johnson & Johnson SPDR S&P 500 ETF Trust