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? Name Email Address Message Thank you! Oops! Related Content Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.