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 Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity. 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. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment.