Dow Jones Industrial Average (DJIA)
The Dow Jones Industrial Average is price-weighted, which means that the index is calculated based on the share prices of its constituent companies, rather than their market capitalizations. This is different from the market-capitalization-weighted approach used by indices like the S&P 500.
The 30 companies included in the Dow Jones Industrial Average are considered to be industry leaders and are selected by the index committee of S&P Dow Jones Indices. The selection process takes into account factors such as the company's reputation, market prominence, and overall significance in the U.S. economy.
The Dow includes companies from various sectors, including technology, financial services, healthcare, consumer goods, and industrials, among others. Some of the well-known companies included in the index are Apple, Microsoft, Boeing, Coca-Cola, and Visa.
The performance of the Dow Jones Industrial Average is influenced by factors such as corporate earnings, economic indicators, geopolitical events, and investor sentiment. Changes in the index level reflect the combined performance of the constituent companies.
As a widely followed index, the Dow serves as a barometer of the overall health and direction of the U.S. stock market. It is often used as a reference point to gauge the performance of individual stocks, investment portfolios, and mutual funds. However, it's important to note that the Dow represents a relatively small sample of the overall stock market and may not necessarily be representative of the broader market.
The Dow Jones Industrial Average is tracked and reported in financial media outlets, and there are index funds and ETFs that seek to replicate its performance, allowing investors to gain exposure to the companies included in the index.