Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on December 31, 2019 was $70.66. It was up 1.3% for the day. The latest price is $344.71.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2019 | $69.76 | $70.67 | $69.67 | $70.66 | 100,805,600 |
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.