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. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment.