The Dow Jones Industrial Average (DJIA), also known as the Dow Jones or simply the Dow, is a stock market index that measures the performance of 30 large, publicly traded companies in the United States. It was created by Charles Dow, co-founder of the Wall Street Journal, and was first published in 1896.
The DJIA is considered to be one of the most widely followed equity indices in the world and is often used as a barometer for the overall health of the US stock market and the economy. The DJIA is calculated as the sum of the prices of the 30 stocks, divided by a divisor, which is adjusted to account for stock splits and other corporate actions.
While the DJIA is not a perfect measure of the stock market or the economy, it is still widely used as a benchmark and its performance is often used to represent the performance of the stock market as a whole.