12 Things You Don't Know About the Dow Jones Industrial Average

The Dow Jones Industrial Average (DJINDICES: ^DJI) has been one of the simplest yet most-followed indicators of how well the U.S. stock market is performing for a long time. From its origins in the late 19th century, the Dow has sought to include the most important companies in the market, and its 30 current components are leaders of their respective industries. Yet even though it's the most popular stock market index, the Dow still has aspects that most people don't know about. Here are 12 things you ought to know about the Dow. 

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