The Largest Single-Day Stock Market Crash In U.S. History

The most famous stock market crash in history was probably on 1929's Black Tuesday, but it turns out that it wasn't the biggest. That moment fell on October 19, 1987, when the NYSE fell 508.32 points, losing twice the market value it did on the eve of the Great Depression. The stock market crash of 1987, often referred to as Black Monday, began in Hong Kong and spread west. There were many theories as to the cause of the crash, but program trading—rapid trading by computers—took the brunt of the public blame. People thought that computers had fed the fall by selling more and more stocks as the market crashed.

The Stock Market Crash Of 1987

How did it go down?

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Key Facts In This Video

  1. On August 25, 1987, the Dow Jones Industrial Average reached a record high of 2722.42. 06:25

  2. During the stock market crash of 1987, more than 500 billion dollars of capital was lost in a single day. 20:30

  3. On October 20, 1987, the market crash was halted by a purchase of 150 MMI contracts. 36:15

What Is A Stock Market Crash?

There have been a number of them in modern history. Here's what it takes to cause a crash in the market.

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How The Stock Exchange Works

It can be confusing.

Written by Curiosity Staff August 24, 2015