The Most Important Retirement Chart You'll Ever See

There are plenty of important charts for investors, but there's one very powerful one that demonstrates the most principles for retirement planning. If you interpret this chart correctly, then you'll understand the foundation of portfolio allocation theory. You'll be in great shape if you combine that knowledge with some discipline to build an investment strategy.

This chart displays the percentage frequency of positive returns across various rolling periods throughout stock market history.

Image source: Fisher Investments.

Source Fool.com