S&P 500 (SPY) Tried but ultimately closed below the 50-DMA at 286.70. If gaps above tomorrow, would follow. If not, under 285.50 expect more selling.
Russell 2000 (IWM) 154.50 resistance. 151.40 support to hold
Dow (DIA) 257.60 now the pivotal number to watch with 260.75 the overhead 50-DMA resistance
Nasdaq (QQQ) The 50-DMA is at 183.81 resistance to clear with immediate support at 180.00 to hold