The Junk Drawer Approach to Investing It's easy to let investments accumulate like old receipts in a junk drawer. Share | Related Content 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. Global vs. International: What’s The Difference? International funds invest in non-U.S. markets, while global funds may invest in U.S. stocks alongside non-U.S. stocks. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.