A comprehensive list of factors brings predictive stability and predictive stability and predictive power.

Behaviorists tell us that we tend to overweight and overreact to the most recently received information. If we do, we will find that the information that we thought was so important becomes tempered, and reduced in significance, by new and related information that follows.

When you buy a lottery ticket, you don't know how tickets have been sold. But sold they have been. And there is an underlying distribution for the game.

So you see, in the end, it is nearly certain that the power of prediction must triumph over the arrogance of elegance.

Less volatile stocks tend to have negative abnormal profits; more volatile stocks tend to have positive abnormal profits.

Although efficient markets people still go around saying there is a "mountain" of evidence supporting their hypothesis, the truth of the matter is that it's a very old mountain that's now eroding rapidly into the sea.

If we observe the performance of only those funds that remain active, we will tend to find that the average performance of the surviving funds exceeds that of the market.