The Standard and Poor's 500, or simply the S&P 500, is a stock market index tracking the stock performance of 500 leading companies listed on stock exchanges in the United States. It is one of the most followed equity indices and includes approximately 80%...

The Nasdaq-100 (NDX) is a stock market index made up of 100 of the largest non-financial companies listed on the Nasdaq stock exchange. It is a modified capitalization-weighted index. While the index is heavily weighted towards technology companies, it also includes firms from industrials,...

The Dow Jones Industrial Average (DJIA), also simply known as the Dow, is a stock market index of 30 of the most prominent companies listed on stock exchanges in the United States. The DJIA one of the most followed equity indices and is price...