Some data analysis/visualization going on today! Daily RoR, variance and correlation among five stocks [01/01/2019 through 06/01/2020]: $AAPL, $AMZN, $FB, $GOOG and $MSFT using @matplotlib! (Huge movements in stock prices in mid-March, as expected!) #DataAnalysis #DataScience https://t.co/DYCXwRoK4U