Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on December 31, 1999 was $0.77. It was up 1.9% for the day. The latest price is $343.16.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 1999 | $0.75 | $0.77 | $0.74 | $0.77 | 163,811,200 |
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.