On October 29, 1929, Black Tuesday hit Wall Street as investors traded some 16 million shares on the New York Stock Exchange in a single day. Billions of dollars were lost, wiping out thousands of investors. In the aftermath of Black Tuesday, America and the rest of the industrialized world spiraled downward into the Great Depression (1929-39), the deepest and longest-lasting economic downturn in the history of the Western industrialized world up to that time.

What Caused the 1929 Stock Market Crash?

During the 1920s, the U.S. stock market underwent rapid expansion, reaching its peak in August 1929 after a period of wild speculation during the roaring twenties. By then, production had already declined and unemployment had risen, leaving stocks in great excess of their real value. Among the other causes of the stock market crash of 1929 were low wages, the proliferation of debt, a struggling agricultural sector and an excess of large bank loans that could not be liquidated.

Black Tuesday: October 29, 1929

Stock prices began to decline in September and early October 1929, and on October 18 the fall began. Panic set in, and on October 24, Black Thursday, a record 12,894,650 shares were traded. Investment companies and leading bankers attempted to stabilize the market by buying up great blocks of stock, producing a moderate rally on Friday. On Monday, however, the storm broke anew, and the market went into free fall. Black Monday was followed by Black Tuesday (October 29, 1929), in which stock prices collapsed completely and 16,410,030 shares were traded on the New York Stock Exchange in a single day. Billions of dollars were lost, wiping out thousands of investors, and stock tickers ran hours behind because the machinery could not handle the tremendous volume of trading.

Effects of the 1929 Stock Market Crash: The Great Depression

After October 29, 1929, stock prices had nowhere to go but up, so there was considerable recovery during succeeding weeks. Overall, however, prices continued to drop as the United States slumped into the Great Depression, and by 1932 stocks were worth only about 20 percent of their value in the summer of 1929. The stock market crash of 1929 was not the sole cause of the Great Depression, but it did act to accelerate the global economic collapse of which it was also a symptom. By 1933, nearly half of America’s banks had failed, and unemployment was approaching 15 million people, or 30 percent of the workforce. 

African Americans were particularly hard hit, as they were the “last hired, first fired.” Women during the Great Depression fared slightly better, as traditionally female jobs of the era like teaching and nursing were more insulated than those dependent on fluctuating markets.

Life for the average family during the Great Depression was difficult. Storms and a severe drought in the Southern Plains ruined crops, causing the area to be nicknamed the “dust bowl.” “Oakies,” as fleeing residents were called, moved to big cities looking for work. 

The relief and reform measures in the “New Deal” enacted by the administration of President Franklin D. Roosevelt (1882-1945) helped lessen the worst effects of the Great Depression; however, the U.S. economy would not fully turn around until after 1939, when World War II (1939-45) revitalized American industry.

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