The Dow Jones Industrial Average fell by 22.6 percent on Black Monday, the largest one-day percentage decline in the stock market index's history.

Dow Jones Industrial Average

American stock market index composed of 30 industry leaders

The Dow Jones Industrial Average (DJIA), Dow Jones, or simply the Dow, is a stock market index of 30 prominent companies listed on stock exchanges in the United States.

Black Monday (1987)

Global stock market crash

Black Monday was a global, severe and largely unexpected stock market crash on Monday, October 19, 1987. Worldwide losses were estimated at US$1.71 trillion. The severity sparked fears of extended economic instability or a reprise of the Great Depression.

List of largest daily changes in the Dow Jones Industrial Average

This is a list of the largest daily changes in the Dow Jones Industrial Average from 1896. Compare to the list of largest daily changes in the S&P 500 Index.