Bubbles are when a products value continues to rise beyond its true value. But what happens when the bubble inevitably bursts?

Transcript -- The dot.com bubble

Sir Isaac Newton observed that he could track the movement of the stars but not the madness of men. This fast paced album looks at the history and causes of economic bubbles and focuses on the highs and lows of the dot.com boom of the early 2000s. How do we spot a bubble emerging? Why do we buy into it? And what are the consequences when a bubble bursts? This material forms part of The Open University course DB234 Personal investment in an uncertain world