Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds. Share | Related Content The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. What’s Your Investment IQ? You make decisions for your portfolio, but how much do you really know about the products you buy? Try this quiz How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset.