Sorry, I couldn't find pricing data for that day. The closing price for Qualcomm (QCOM) on April 30, 1999 was $7.91. It was down 0.5% for the day. The latest price is $156.07.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
April 30 1999
$7.95
$8.27
$7.64
$7.91
41,913,600
Daily pricing data for Qualcomm dates back to 12/13/1991, and may be incomplete.