As of 2015, the S&P 500 Index returns an average of 9.7 percent annually, according to MarketWatch, but individual 10-year periods vary widely in their performance, ranging from negative 0.9 percent in the 2000s to 19.4 ... More » Business & Finance Investing

The Standard & Poor's 500 index was created on March 4, 1957, and is considered to be one of the leading benchmarks for the U.S. stock market. As of 2015, a significant number of investors use the S&P 500 index to measur... More » Business & Finance Investing

An S&P 500 index fund is a mutual fund that has no active management and holds a portfolio matching the S&P 500 at all times, Investopedia explains. Although funds have been created that track many indices, the S&P 500 i... More » Business & Finance Investing

The S&P 500 is a market index that uses the market-value weighted average of 500 stocks chosen by a committee, while the Nasdaq is a market index that averages the performance of all of the stocks currently traded on the... More » Business & Finance Investing

The S&P 500 index's historical returns are about 10 percent annually and closer to 7 percent when adjusted for inflation, explains Investopedia. Over 40 percent of total historical returns are from dividends. The S&P lau... More »

The S&P 500 index can be viewed by yearly performance on financial websites such as Market Watch and CNN Money. The majority of financial sites show the current price and the change for the current day, as shown on CNN M... More » Business & Finance Investing

The S&P 500 index ticker symbols were first introduced on March 4, 1957, when Standard & Poor's created the index to track the performance of the stocks of 500 of the most important U.S. companies, according to Reuters. ... More »