Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? Share | Related Content Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.