Sorry, I couldn't find pricing data for that day. The opening price for Qualcomm (QCOM) on December 31, 2019 was $77.43. It was up 0.3% for the day. The latest price is $169.45.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
December 31 2019
$77.43
$78.11
$77.33
$77.64
5,173,531
Daily pricing data for Qualcomm dates back to 12/13/1991, and may be incomplete.