Sorry, I couldn't find pricing data for that day. The closing price for Amazon (AMZN) on September 14, 2007 was $4.39. It was up 1.6% for the day. The latest price is $232.31.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
September 14 2007
$4.32
$4.40
$4.32
$4.39
79,045,139
Daily pricing data for Amazon dates back to 5/15/1997, and may be incomplete.