Sorry, I couldn't find pricing data for that day. The closing price for Microsoft (MSFT) on March 29, 2018 was $84.40. It was up 1.2% for the day. The latest price is $510.96.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
March 29 2018
$83.39
$85.34
$81.74
$84.40
45,867,500
Daily pricing data for Microsoft dates back to 3/13/1986, and may be incomplete.