How Is the Performance of the Dow Jones Industrial Average Judged?

The Dow Jones Industrial Average is an index of 30 stocks and is measured based on the cumulative performance of all stocks, notes the Houston Chronicle. The Dow Jones Industrial Average, as well as other stock indexes, is used to gauge the overall performance of the economy.

Investors can visit the MarketWatch website to find a historical chart of the Dow Jones Industrial Average. This chart can be customized for a particular time period. In addition, users can modify the chart by changing the indicators and the display type. The chart also contains information about the recent closing price as well as the yearly high and low values.

CNN Money contains a list of all the stocks that make up the Dow Jones Industrial Average. As of September 2015, some of the more notable companies are Apple, Boeing, Coca-Cola, Intel, Pfizer and Verizon. Users can find information about each individual company's current stock price and the year-to-date change for the current year.

Similar to the Dow Jones Industrial Average are other stock indexes such as the Wilshire 5000 and the Russell 3000, notes the Houston Chronicle. These indexes are all used as benchmarks to compare against other indexes or financial sectors. Stock indexes are usually categorized as small-cap, mid-cap or large-cap.