lowest usd/php pricr on 2012
lowest usd/php pricr on 2014
lowest usd/php price on 2016
lowest usd/php price on 2017
lowest usd/php price on 2018
lowest usd/php price on 2019
highest usd/php price on 2020
hd market cap in 1987
merck market cap in 1985
merck market cap in 1986
merck market cap in 1987
merck market cap in 1988
s & p 500 monthly returns for 1974
s & p 500 monthly returns for 1975
s & p 500 monthly returns for 1973
