Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on April 13, 2017 was $32.65. It was down 0.6% for the day. The latest price is $271.49.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
April 13 2017
$32.85
$32.96
$32.65
$32.65
71,291,600
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.