Should you be scared of a market bubble?

Is it possible to predict market bubbles?

Douglas Goldstein,

Stock market
Stock market

Doug Goldstein, CFP and director of Profile Investment Services Ltd., and Professor William Goetzmann of Yale School of Management discuss the likeliness of a pending financial bubble.

Professor Goetzmann has extensively researched the history of financial bubbles. He explains what a bubble is and how it occurs in a market. Is a burst bubble as bad as it sounds?