Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents 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. How Stocks Work Understanding how a stock works is key to understanding your investments. 5 Smart Investing Strategies Getting what you want out of your money may require the right game plan.