Sorry, I couldn't find pricing data for that day. The closing price for the Dow Jones Industrial Average (DJI) on September 13, 1974 was $627.19. It was down 2.3% for the day. The latest price is $44,946.12.
DATE
OPEN
HIGH
LOW
CLOSE
September 13 1974
$641.74
$643.77
$624.37
$627.19
Daily pricing data for the Dow Jones Industrial Average dates back to 1/2/1950, and may be incomplete.