4 Reasons For Tuesday Night's Huge Sell-Off In S&P 500 Futures By: Benzinga via Benzinga April 01, 2015 at 11:22 AM EDT In a report published Wednesday, analysts at JPMorgan discussed the sell-off in S&P 500 futures on Tuesday night and offered four ... Read More >> Related Stocks: SPDR S&P 500 ETF Trust Sentinelone Inc Cl A