In case you missed it in the comments. Barry Ritholtz left this chart that follows up what I mentioned yesterday with another chart of his.
The time period covered is all red from yesterday. As with the three year period ending 12/31/1936, this chart shows some huge up-moves during a flat period. Thanks Barry!
Jack Miller's follow on is alos important. Something is alwyas working well. At that time it was small cap. If you are properly diversified you don't have to be that right.