Market indices are measures of performance of certain aspects or sectors of the United States’ stock market. One of the most important indices is the Dow Jones Industrial Average (DJIA). The purpose of indices is to assess the performance of certain sectors of the U.S. stock market or the economy as a whole.
The Dow Jones Industrial Average (DJIA) is the oldest U.S. market index. It covers all major areas of the US stock market, such as Industrial, retail, technology, healthcare and others. It is composed of 30 blue chip stocks that are among the largest in the U.S. economy.