What name is given to the New York Stock Exchange collapse on October 24, 1929?

The New York Stock Exchange collapse on October 24, 1929, is known as Black Thursday.

Black Thursday marked the first major panic week of the Wall Street Crash of 1929. Trading volume surged as investors rushed to sell shares, and the Dow Jones Industrial Average fell sharply. A group of major bankers bought heavily to support leading stocks, temporarily calming the market.

The intervention did not end the crisis. Selling intensified on October 28, known as Black Monday, and October 29, known as Black Tuesday. Black Tuesday is often remembered as the defining day because the Dow suffered another enormous decline and trading volume reached a record for its era.

The 1929 crash followed years of rapid speculation, widespread use of margin loans, and rising share prices. It contributed to the economic contraction later called the Great Depression, although the crash alone did not cause every aspect of that worldwide crisis.