In the longer-term, stocks are likely to top out much earlier. Like late 2007, they're running on vapor from central banks while there are rational reasons that gold, oil and stronger currencies are rallying.
Well sure, a trend always looks like a trend until it isn't. Some people like to pick the "isn't" point before the "isn't" point is clear to others. That's the trick to trading, right? Based on the confluence of levels here and how today is going, it could be that the "isn't" point began at 4029. Time will tell.