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. How the Federal Reserve Works Each day, the Fed is behind the scenes supporting the economy and providing services to the U.S. financial system. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.