Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on April 11, 2003 was $0.20. It was down 6.1% for the day. The latest price is $245.27.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
April 11 2003
$0.21
$0.22
$0.19
$0.20
1,392,708,800
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.