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 The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does. Global vs. International: What’s The Difference? International funds invest in non-U.S. markets, while global funds may invest in U.S. stocks alongside non-U.S. stocks. Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent.