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 Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.