s and p 500 quarterly returns for 1987
s and p 500 quarterly returns for 1973
s and p 500 quarterly returns for 1972
s and p 500 quarterly returns for 1971
s and p 500 quarterly returns for 1970
s and p 500 quarterly returns for 1969
s and p 500 quarterly returns for 1967
s and p 500 quarterly returns for 1940
s and p 500 quarterly returns for 1930
s and p 500 quarterly returns for 1929
sq inc monthly returns for 2016
sq inc monthly returns for 2015
s and p 500 quarterly returns for1973
sq inc monthly returns for 2011
sq inc monthly returns for 2010
