Selling SP500 is absolutly one of the best trade opportunity. I believe monthly 3th wave is over and down move is the start of 4th wave. I will sell it after break out. Most likely it will make a bigger correction next couple weeks, but short trade needs to be taken because of it can fall very fast. Here is long my forecast:
Video analysis on Twitter , link in profile page.
It looks like a correction is in the making.