Sorry, I couldn't find pricing data for that day. The closing price for Gentex (GNTX) on September 26, 2008 was $5.95. It was up 1.5% for the day. The latest price is $28.60.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
September 26 2008
$5.86
$6.00
$5.82
$5.95
1,643,902
Daily pricing data for Gentex dates back to 11/5/1984, and may be incomplete.