Sorry, I couldn't find pricing data for that day. The closing price for the Nasdaq Composite (IXIC) on January 31, 2020 was $9,150.94. It was down 1.9% for the day. The latest price is $23,543.86.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
January 31 2020
$9,324.33
$9,324.80
$9,123.22
$9,150.94
2,696,090,000
Daily pricing data for the Nasdaq Composite dates back to 2/5/1971, and may be incomplete.