SPXUSD is testing our first resistance at 2627.9 (horizontal pullback resistance, 50% fibonacci retracement , 100% fibonacci extension ) where a strong drop might occur below this level pushing price down to our major support at 2521.30 (horizontal pullback support, 38.2% fiboancci retracement).
Stochastic (89,5,3) is also testing resistance where we might see a corresponding drop in price.