Sorry, I couldn't find pricing data for that day. The closing price for Amazon (AMZN) on March 21, 2014 was $18.03. It was down 2.8% for the day. The latest price is $227.58.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
March 21 2014
$18.55
$18.64
$17.92
$18.03
108,358,698
Daily pricing data for Amazon dates back to 5/15/1997, and may be incomplete.