S&P 500 (SPY) Reached the 50% Fibonacci level from the March 2020 lows on Thursday, at 351, then rebounded sharply. Under 3510, support 330, and on the upside, resistance 360, 370, 382, and 396.
Russell 2000 (IWM) 162.50 support 177 resistance
Dow (DIA) 285 support 300 resistance
Nasdaq (QQQ) 255 support (could go to 220) 270 resistance