Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on September 28, 2018 was $53.72. It was up 0.4% for the day. The latest price is $248.13.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
September 28 2018
$53.49
$53.74
$53.31
$53.72
91,717,600
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.