The SPX is ranging within a Downward Sloping Bearish Wedge that is within strong resistance at 2940 and support at 2820.
IF, the wedge were to break, the SPX could fall to 2550, which is the 2009 BullRun TrendLine.
SPX has already broken thru the Dec18 low TrendLine and has fallen off ATH at 3020 and is just above the 200day MA at 2800.