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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.