S&P 500 (SPY) Key support areas are 290 and 287.80 which is price level and 50-DMA. Resistance at 292.80.
Russell 2000 (IWM) Stopped at 151 support, but still weak. The next big level to hold is 148.50.
Dow (DIA) until a close over 268 look out for more weakness. 264 may offer support, but the bigger number is 263.
Nasdaq (QQQ) 186 is now resistance. 183.80 is support and 50-DMA.
