How Stocks Work Full Size Version Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.