Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst? Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does. 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.