Another two charts today, first one again courtesy of Yardeni Research.
The stockmarket Bull/Bear ratio is a good sentiment indicator. Notice how it has become almost entirely red (over 3 times more bulls than bears) in the last 6 out of 7 years. The 2015-16 pause must be attributed to the highly unusual Presidential election period which resulted in Trump who then proceeded to slash corporate taxes to the lowest level in 80 years.
And here's another stripe chart from the World Meteorological Organization...
I'm troubled to find the two oddly correlated - do you?