Sorry, I couldn't find pricing data for that day. The closing price for Starbucks (SBUX) on March 31, 2006 was $15.25. It was up 0.3% for the day. The latest price is $83.39.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
March 31 2006
$15.21
$15.38
$15.18
$15.25
8,573,342
Daily pricing data for Starbucks dates back to 6/26/1992, and may be incomplete.