Sorry, I couldn't find pricing data for that day. The closing price for Amazon (AMZN) on March 20, 2015 was $18.92. It was up 0.6% for the day. The latest price is $227.35.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
March 20 2015
$18.81
$18.97
$18.80
$18.92
75,271,059
Daily pricing data for Amazon dates back to 5/15/1997, and may be incomplete.