Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on April 21, 2011 was $10.50. It was down 1.2% for the day. The latest price is $294.59.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
April 21 2011 | $10.63 | $10.63 | $10.43 | $10.50 | 753,810,400 |
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.