This is the chart that goes back to the 70s, which shows some symmetry with the parallel channels, within close angle, and 'corrective'
waves in the middle. the trend stood for more than 10 years, and had a wedge like formation that overshoot quite substantially to the upper channel.
One could look at the economic situation - events at the time for correlations.
On the other hand , the current Wedge has already overshoot and approaching Support. Also hit some Fibonacci level. RSI has a minor break of trend.

https://postimg.cc/vcZKgpd1