S&P 500 Surges Higher but Volume Lacks for Enthusiasm E-Mini S&P 500 CME_MINI:ES1! JohnKicklighter The S&P 500 marked one of its biggest daily rallies in months, but volume seems to be trailing well behind for conviction. That is a problem for long-term trend development, but it doesn't hamper some short-term follow through via swing setups. In fact, the last low-volume jump produced a move that almost set a fresh record high.