Sorry, I couldn't find pricing data for that day. The closing price for Amazon (AMZN) on October 7, 2011 was $11.24. It was up 1% for the day. The latest price is $220.23.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
October 07 2011
$11.12
$11.40
$10.92
$11.24
135,729,298
Daily pricing data for Amazon dates back to 5/15/1997, and may be incomplete.