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 | Related Content 16 Wall Street Cliches in 60 Seconds Pundits say a lot of things about the markets. Let's see if you can keep up. Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.