S&P 500 Index Futures Spike To Post Flash-Crash High And Retreat By: Benzinga via Benzinga October 20, 2015 at 12:46 PM EDT S&P 500 index futures spiked to its highest level (2031.50) since the Flash-Crash just before 11:00 a.m. ET on Tuesday. After clearing ... Read More >> Related Stocks: Dow Jones Industrial Average (EOD) SPDR S&P 500 ETF Trust