Sorry, I couldn't find pricing data for that day. The closing price for Tesla (TSLA) on May 11, 2012 was $2.15. It was down 0.7% for the day. The latest price is $432.95.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
May 11 2012
$2.17
$2.23
$2.14
$2.15
18,318,094
Daily pricing data for Tesla dates back to 6/29/2010, and may be incomplete.