The stock market crash of October 1929 signaled the end of the "Roaring Twenties" and the beginning of the Great Depression. This was the second day of the big drop, known as "Black Tuesday," which began one day earlier and occupies the next spot on this list. 3.) Oct. 28, 1929 (-38.33, -12.82%)

The stock market closed with a bloodbath on Friday as the Dow Jones lost 2,231 points and the S&P 500 dropped 6 percent as investors are spooked about the impact of President Donald Trump’s tariff plan.

Top forecasters on Wall Street are eying the risk of a recession, a global slowdown, and further stock drops ahead.

US President Donald Trump is ripping up the rulebook on trade that has been in place for more than 50 years. His latest round of sweeping tariffs, which came into force shortly after midnight on Wednesday,

U.S. Treasuries extended heavy losses on Wednesday in a sign investors are selling even their safest assets as a global market rout unleashed by U.S. tariffs takes an unnerving turn towards distress and a dash for the safety of cash.

Japanese Finance Minister Katsunobu Kato on Wednesday ruled out using the country's U.S. Treasury holdings as a bargaining tool against President Donald Trump's decision to slap tariffs against imports from Japan.

President Trump has made a series of claims about how the US faces "unfair trade" as he justifies his sweeping tariffs on imports from other countries.

Prices of leather goods, clothing, furniture and consumer electronics are expected to increase sharply for US households in the coming months because the country relies heavily on imports from nations targeted by Donald Trump’s sweeping tariffs,

European shares tumbled further on Wednesday as China more than doubled its tariffs on U.S. imports, with healthcare stocks leading declines after U.S. President Donald Trump threatened more sector-specific tariffs.