sandp500 performance 1981
sandp500 performance 1980
sandp500 performance 1979
sandp500 performance 1978
sandp500 performance 1977
sandp500 performance 1976
sandp500 performance 1975
sandp500 performance 1974
sandp500 performance 1973
sandp500 performance 1972
sandp500 performance 1971
sandp500 performance 1970
sandp500 performance 2018
dow may 2024 return
sandp500 performance 2017
