SPX500USD is being held up by its ascending support line where price could potentially rise further to its 1st resistance at 2017 (100% Fibonacci extension, 61.8% Fibonacci retracement, horizontal pullback resistance). If it breaks past this level it could rise to its next resistance at 2740 (76.4% Fibonacci retracement, horizontal overlap resistance). RSI (55) is being held up by the same ascending support line.