You Would Rather Be... Full Size Version Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. 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.