Now Playing: 07-26-13 Marketplace Money

This month, we're devoting Marketplace Money to the basics — concepts like banking, savings and debt. Bonds, stocks, diversification, index funds, active vs. passive. Investing is one of those financial topics that requires understanding a whole lot of terms. Then, you have to understand yourself. How much risk do you want to take? How much confidence do you have? What’s your time horizon? This week, a guide to investing.