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. Share | Related Content Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Pullbacks, Corrections, and Bear Markets Clearing up confusion from the economic downturn following COVID-19 and how it might affect your financial strategy. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.