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 Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.