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? Address Thank you! Oops! Related Contents The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are? Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.