Major market sell-offs typically occur about once every five to 10 years, according to a study, but they come at various ...

Some observers believe the global economy resembles that of the late 1930s, and we risk another Great Depression. But there are clear differences between then and now, argues John Stepek.

The longest recession in American history took place between 1929 and 1939. Known as the Great Depression, this economic crisis was noteworthy in terms of both its length and its severity.

The Great Depression began with “Black Tuesday” on Oct. 29, 1929, when a panic selloff triggered a stock market collapse, wiping out thousands of investors who had borrowed heavily.