In the market plunge of 1973 and 1974 alone, it sank a stunning 56.4 percent.

It had reached a record high of $66.875 a week after the market plunge on Oct. 13.

But, at the time, those 508 points represented a 22.6 percent stock market plunge.

It was such a squeeze last fall that helped lead to the failure of four financial institutions and a market plunge.

Few top executives seemed overly concerned about the market plunge.

Its shares have soared more than $20 each from the market plunge last October.

Program trading has also been called a cause of the market plunge in October.

That means they went into the market plunge almost totally loaded up with stocks.

But the role of program trading in the market plunge is still disputed.

A recent example was the Asian market plunge last year.