The best way to highlight this is with an example ... chart below: Now that you know the basics of the Rule of 72, you might ask why you should care? I mean, how does that help with investing?

Incorporating fundamental metrics into charts can refine investment strategies ... that a change in trend is coming or has occurred. For example, many investors move part of their portfolio ...

The example chart below comes from Google Finance ... All investors are advised to conduct their own independent research ...