Sorry, I couldn't find pricing data for that day. The closing price for Exxon Mobil (XOM) on December 31, 2010 was $41.88. It was down 0.1% for the day. The latest price is $101.94.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
December 31 2010
$41.90
$42.10
$41.82
$41.88
15,273,710
Daily pricing data for Exxon Mobil dates back to 11/5/1984, and may be incomplete.