Sorry, I couldn't find pricing data for that day. The closing price for Microsoft (MSFT) on February 20, 1998 was $11.86. It was down 0.2% for the day. The latest price is $507.86.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
February 20 1998
$11.88
$11.90
$11.68
$11.86
86,092,000
Daily pricing data for Microsoft dates back to 3/13/1986, and may be incomplete.