Financial & Economic Data
Mathematica has immediate built-in access to current and historical financial and economic data.
FinancialData — current and historical stock, fund, index, currency, etc. data
"Price"
▪ "CumulativeReturn"
▪ "Volatility50Day"
▪ "MarketCap"
▪ "PERatio"
▪ "EBITDA"
▪ "DividendYield"
▪ "SICCode"
▪ 
CountryData — socioeconomic data and time series for all countries
"GDP"
▪ "ExportValue"
▪ "FixedInvestment"
▪ "ElectricityProduction"
▪ "OilReserves"
▪ 
"CurrencyCode"
▪ "CurrentUnit"
▪ "ExchangeRate"
▪ 
DateListPlot — plot a time series
