Estate Test Your Estate Strategy Knowledge Related Content Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all. 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. What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement.