Sorry, I couldn't find pricing data for that day. The closing price for QQQ on June 8, 2001 was $40.33. It was down 2.8% for the day. The latest price is $530.53.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
June 08 2001
$41.49
$41.53
$39.98
$40.33
56,389,398
Daily pricing data for QQQ dates back to 3/10/1999, and may be incomplete.