Sorry, I couldn't find pricing data for that day. The closing price for Amazon (AMZN) on March 20, 2020 was $92.30. It was down 4.2% for the day. The latest price is $198.79.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
March 20 2020
$96.32
$97.85
$91.04
$92.30
196,356,997
Daily pricing data for Amazon dates back to 5/15/1997, and may be incomplete.