That is a drop of 6 points in the 1990's.
But a drop of 2,650 points would end trading for the day.
It showed a drop of 17 points, he later recalled.
However, men in the placebo group saw a 2.99 point drop.
The point drop also increased in value by five each round (5, 10, 15 and so on).
But as the Dow has climbed, the point drops have become less significant.
This represents a ten point drop from its ranking a year earlier.
Twenty minutes later, by 3:07 pm, the market had regained most of the 600 point drop.
In fact, with last week's drop of 17.08 points, the Dow is at 2,896.78.
Prices then more than recovered their loss but fell again, ending the day with a drop of 44.15 points at 2,101.52.