You may think you're taking in a stream of financial facts, but there's no way you can absorb everything at once.

Buying investments we know best hurts diversification.

In this video series, finance and economic gurus discuss how biases and emotion affect investors' decisions.

Resisting instant gratification leads to better financial results in the long run.

+ QUIZ: What Type of Thinker Are You?

Investors tend to overestimate the accuracy of their information and their skill in using it.

+ QUIZ: Test Your Investing Confidence

Investor-sentiment measures can tip you to rallies and corrections. Here are the ones to watch and how to exploit them.

Listen in as Senior Editor Bob Frick interviews Andrew Lo, director of MIT's Laboratory for Financial Engineering. Lo gives investors insight on how to manage their emotions in this post-crash environment.

You know that greed and sloth can do you in. But pride? Lust? Envy? Anger? Gluttony? They, too, can ruin your portfolio.

Gain a better understanding of how your brain works when you make financial decisions.

Meditate on your portfolio to see the big picture and the small details.

To better understand why emotions rule our investing decisions, learn the terms psychologists use to describe our behavior.