Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Share | Related Content 16 Wall Street Cliches in 60 Seconds Pundits say a lot of things about the markets. Let's see if you can keep up. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.