What is the Dow Jones?      Created in 1896, the Dow     Jones Industrial Average is one of the world’s oldest and most widely     recognized stock indexes—a measure tracking the stock performance of a     selected group of companies ( see most recent data ).      Originally designed to     track America’s leading industrial firms, the Dow has evolved into a     cultural and financial shorthand for the health of the US economy. As of     2025, it measures 30 major companies —like McDonald's,     Boeing, and Nike—across sectors such as technology, healthcare, finance,     and consumer goods.       Unlike most modern     indexes, which are weighted by the total value of a company’s shares, the     DJIA uses a price-weighted formula —meaning stocks with     higher share prices exert more influence, regardless of company size. The     DJIA has been updated 59 times since its creation to reflect changes in the     US economy ( see ch...
 
 
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