Irrational Exuberance

A theory that states it is possible to make money by buying securities, whether overvalued or not, and later selling them at a profit because there will always be someone (a bigger or ...

A mentality characterized by a lack of individuality, causing people to think and act like the general population.

A phrase used to describe former Federal Reserve Board Chairman Alan Greenspan's tendency to make wordy statements with little substance. Many analysts felt that Greenspan's ambiguous ...

A stock with a current price that is not justified by its earnings outlook or price/earnings (P/E) ratio and, therefore, is expected to drop in price. Overvaluation may result from an ...

The term Icarus factor describes a situation where managers or executives initiate an overly ambitious project which then fails. Fueled by excitement for the project, the executives are ...

A spike in asset values within a particular industry, commodity, or asset class. A speculative bubble is usually caused by exaggerated expectations of future growth, price appreciation, ...

A phrase used in May 2008 by former Federal Reserve Board Chairman Alan Greenspan to describe an economic environment in which recession has not yet hit all the areas of the economy. In ...

From a tulip craze to a dotcom bubble, read the cautionary tales of the stock market's greatest disasters.

The Federal Reserve doesn't interfere with the economy every time it flounders. Find out more here.

See how you can profit from these disruptions in normal price patterns.

Find out how the largest speculative attempt to corner the market went awry.

According to Dow theory, each primary trend has three separate phases.