Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on September 2, 1988 was $0.28. It was up 0.6% for the day. The latest price is $231.59.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
September 02 1988
$0.27
$0.28
$0.27
$0.28
186,300,800
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.