Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Share | Related Content Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? The ABCs of Zero Coupon Bonds Understanding some basic concepts may help you assess whether zero-coupon bonds have a place in your portfolio. 5 Smart Investing Strategies Getting what you want out of your money may require the right game plan.