The S&P 500 index closed at 1,257.60 on Jan. 3, 2012 and 1,426.19 on Dec. 31, 2012, versus high closes of 1,507.84 in January 2013 and 1,848.36 in December 2013, according to Morningstar.com. The index gained 168.59 points in 2012 and 340.52 points in 2013.
Interested parties find this information by clicking the five-year tab on the S&P 500 index chart and then hovering over the red mark for the months in question, according to Morningstar.com. People zoom in on information by clicking certain points, dragging arrow icons and then clicking on points in between the blue arrows within the shaded area. The average one-year return on the index is 15.5 percent, while the three-year average is slightly more than 17 percent, as of April 2015.
The S&P 500 returned an investment of 15.89 percent in 2012 and 32.15 percent in 2013 based on a $100 investment, according to Stern School of Business at New York University. The returns on investment in 2013 were the highest, by percentage, from a period between 1998 to 2014.
From April 2012 to April 2015, the S&P 500 index gained 54.46 percent, according to CNN Money. The index closed at 1821 in late April 2014 versus 2,115 in late April 2015. Interested parties can look at each stock in the S&P 500 below CNN's historical chart.