pfizer december 2014 average opening
worst year for the s&p 500
sandp 500 performance 1931
johnson & johnson december 2014 average opening
sandp 500 performance 1932
sandp 500 performance 1930
sandp 500 performance 1929
sandp 500 performance 1992
sandp 500 performance 2008
s&p 500 performance 1991
wmt price september 1999
vtrs price september 1999
pfe price september 1999
sp 500 market index
bitcoin price 2009-2017 chart
