The best count for the rally from December 2018 to July 2019 is wave "one" of a developing Triangle. This structure usually has a deep wave two retracement beyond .618. In 2015 there was a below an important correction made in December 2014 that targeted the mini crash bottom.
The same phenomenon could be happening in 2019.
All time SPX high 3028 - 2728.80 June bottom = 299.20 x .618 = 184.90.
2728.80 - 184.90 = 2543.90 Bulls Eye target bottom late October to early November.
I'm sure analysts that use fundamentals to forecast the stock market will have plenty of reasons for the market reaction - after its too late to take action.
No, I will send you a private message as to where this indicator can be found.