Sorry, I couldn't find pricing data for that day. The closing price for Dow (DOW) on January 31, 2020 was $32.98. It was down 3.4% for the day. The latest price is $23.97.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
January 31 2020
$34.15
$34.27
$32.87
$32.98
7,532,200
Daily pricing data for Dow dates back to 3/20/2019, and may be incomplete.