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 Message Thank you! Oops! Related Content Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. How Stocks Work Understanding how a stock works is key to understanding your investments. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.