Sorry, I couldn't find pricing data for that day. The closing price for Walmart (WMT) on May 14, 1999 was $9.85. It was up 0.3% for the day. The latest price is $101.84.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
May 14 1999
$9.83
$9.88
$9.69
$9.85
18,246,300
Daily pricing data for Walmart dates back to 8/25/1972, and may be incomplete.