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. Financial Hacks for Millennials: Values-Based Investing Millennials can opt to follow a values-based investing strategy to invest their money in conscientious ways. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.