ExpertGlossary

• Stock prices fluctuate constantly, but each stock typically moves within a fairly narrow range. That means the stock's average price changes gradually, if at all. But sometimes a stock's price breaks out of its limits, and jumps or tumbles suddenly.

  Usually the breakout is fueled by a particular event. The company may realize a commercial success, such as a drug company discovering a new cure for a major disease. Or a breakout may reflect a financial development, such as a new alliance with a successful partner.

  
  Yahoo Finance - Cite This Source - This Definition
• Browse Related Terms: Behavioral finance, bull market, Crash, Currency fluctuation, depression

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