There is a shortage of doctors, and the American Medical Association is aiming to keep it that way.

Asset managers have different approaches, and I don't wish to suggest there is only one way to run money. There are many ways one can attempt to reduce risk, improve performance, lower drawdowns and reduce volatility.

Most of Google's home technologies have failed to catch on in a major way.

The way we finance homes in this country is slow, filled with middlemen, who run a nonstandardized evaluation process. This makes financing a home cumbersome and difficult.

Hedge funds are not especially liquid. Many are 'gated' - meaning there are only small windows when you can withdraw your money. They typically have a high minimum investment and often require investors keep their money in the fund for at least one year.

We must recognize our own behavioral errors. To be blunt, you are not likely to become a cognitive Zen master anytime soon. But a little enlightenment could keep you from making some common investing errors.