It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. 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. Earnings for All Seasons Earnings season can move markets. What is it and why is it important? What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.