The Dow Jones Industrial Average is one of the most closely watched U.S. benchmark indices. It is a price-weighted index which tracks the performance of 30 large and well-known U.S. companies that are listed mostly on the New York Stock Exchange. The Dow Jones Industrial Average has a base value of 40.94 as of May 26, 1896.. This page provides - United States Stock Market (Dow Jones) - actual values, historical data, forecast, chart, statistics, economic calendar and news. Dow Jones Industrial Average - actual data, historical chart and calendar of releases - was last updated on September of 2018.