A description of rapidly rising equity prices, usually in a particular sector, that some investors feel is unfounded. The term is used because, like a bubble, the prices will reach a point at which they pop and collapse violently.

Use bubble in a sentence

You may notice that the economy is about to bubble and you will need to make a very quick move.

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My good friend called me and asked me if I expected a bubble coming up in ABC Corporation in the near future.

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The mortgage and real estate industries bubble was being expanded do to the increased availability of inexpensive credit and home loans.

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bubble theory behavioral finance