A sudden, significant decline in stock prices across a substantial portion of a stock market, resulting in a considerable loss of paper wealth. This event is often triggered by a combination of factors, including overvalued markets, economic uncertainty, and investor panic. As an example, the precipitous drop in equity values during 1929 serves as a notable illustration.
Understanding this concept is crucial for comprehending economic history and its impact on social and political landscapes. Such events often lead to widespread economic hardship, business failures, and increased unemployment. Analyzing these downturns provides valuable insights into the cyclical nature of economic activity and the potential consequences of unchecked speculation.