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 You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.