The Dow Jones Industrial Average (DJIA) is a price-weighted measure of 30 US blue-chip companies. The index covers all industries except transportation and utilities.
The S&P 500 is a market-cap-weighted stock market index that includes 500 of the top companies in leading industries in the US.
The NASDAQ 100 Index includes 100 of the largest domestic and international non-financial companies listed on the NASDAQ Stock Market based on market capitalization. The NASDAQ 100 Index reflects companies across major industry groups including computer hardware and software, telecommunications, retail/wholesale trade and biotechnology. It does not contain securities of financial companies including investment companies.
The ticker symbol for the Dow Jones Industrial Average is INDU, the ticker symbol for the S&P 500 is SPX, while the ticker symbol for the NASDAQ 100 Index is NDX. After entering the ticker select Index.