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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Managing an Inheritance A windfall from a loved one can be both rewarding and complicated. Password Protection Strategies Simple steps may help you foil hackers and protect your privacy. Extended Care: A Patchwork of Possibilities What is your plan for health care during retirement?