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 Ask a Financial Professional: Help! My Business is Overexten Every business wants to grow. But there’s a risk of extending your business so far, so fast that you hit the tipping point... Do You Have Financial Vampires in Your Life? Financial vampires can take a lot out of you, are there any in your life? Financial Hacks for Millennials: Values-Based Investing Millennials can opt to follow a values-based investing strategy to invest their money in conscientious ways.