Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst? Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? Avoiding Cognitive Decline Try these activities to keep your brain sharp. Navigating Retirement Pitfalls Why are they made again and again? Making sense of these errors in judgement.