Studies of stock returns going back to 1925 have suggested that "smaller is better."

Fisher also studied the relationship between consumer confidence and stock returns.

The model does not appear to adequately explain the variation in stock returns.

It also considers other factors intended to predict stock returns.

The firm's stock return in the first three fiscal quarters (nine months) of 2011 was 278 percent.

To explain why, I need to talk about stock returns.

Investors who now believe the decade's high stock returns will continue may be proven just as wrong.

In the last 30 years, however, stock returns have trailed slightly, he said.

Big stock returns are pouring money into the state in the form of capital gains taxes.

So when stock returns are lower, the proportionate impact of fees is greater.