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? Emotional vs. Strategic Decisions Information vs. instinct. Are your choices based on evidence of emotion? 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.