Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on April 20, 2012 was $17.14. It was down 3.1% for the day. The latest price is $332.38.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
April 20 2012 | $17.69 | $17.78 | $17.06 | $17.14 | 1,030,985,200 |
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.