S&P 500 yearly returns 1980 - 2014
US-Stock-Market-Returns (S&P 500) were positive in 27 out of the last 35 years (timespan: 1980 - 2014)! Out of these 27 years a positive return of at least 20% has been achieved in 12 years. Status of annual return overview: 25th Aug. 2015.
please check out the UPDATED! whole presentation (as per Nov. 2015) here: https://www.jpmorganfunds.com