There isn't a hard-and-fast definition of exactly what constitutes a stock market crash. For example, the S&P 500 went into a ...

A stock market crash occurs when there is a significant decline in stock prices. There's no specific definition of a stock market crash, but the term usually applies to occasions when the major ...

The National Bureau of Economic Research (NBER) defines a recession as a “significant decline in economic activity that is spread across the economy, lasting more than a few months.” Three criteria – ...