The yearly returns for the S&P cover all four financial quarters. An article in Investopedia.com states that the S&P 500 is considered by some as a more accurate barometer of the U.S. stock market because it includes 500... More »

www.reference.com Business & Finance Investing

The yearly performance of the Standard and Poor's 500 index is based on the formula ((index value at end of year)/(index value at beginning of year))?(1/(number of years))-1. The index covers a diverse sample of the publ... More »

www.reference.com Business & Finance Corporations

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 »

Find online information for the historical returns of the S&P 500 Index on the website of the New York University Stern School of Business, states the institution. Its website provides annual rates of return for the inde... More »

www.reference.com 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 »

Historical returns on S&P 500 stocks are available on the website for New York University Stern School of Business, as of 2015. The chart lists returns for the index from 1928 through 2014 and compares the stock returns ... More »

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 »

www.reference.com Business & Finance Investing