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 The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are? 5 Smart Investing Strategies Getting what you want out of your money may require the right game plan.