On Tuesday the average lost 731.91 points, or 3.3 percent.
For the month, the blue-chip average lost 600.19 points, or 7.3 percent.
The Dow average lost 70.14 points for the week.
The Dow average lost 158.08 points, or 1.7 percent, to 9,133.03.
But at the midday recess today, the average lost almost 453 points, or 1.76 percent, to 25,257.93.
The Dow transportation average lost ground for a second session, falling 27.74 points, to 1,480.97.
But in 1966 the average lost 13.1 percent.
The Dow Jones industrial average lost more than 512 points, or 4.31%.
Six months have almost passed since the day the Dow Jones industrial average lost 508 points, or 22.6 percent.
The Dow Jones industrial average lost 94.04 points, much of it late in the day.
