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 Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? 4 Reasons for the Return of Market Volatility Why have the markets been so volatile recently? 5 Smart Investing Strategies Getting what you want out of your money may require the right game plan.