The 2020 stock market crash caused the trading curb to be activated four times in a single week in March .
On 18 March , Asia-Pacific and European stock markets closed down , while the NASDAQ Composite fell by more than 6 % , the S & P 500 by more than 7 % , and the Dow Jones Industrial Average by more than 9 % ( with the trading curb activated for the fourth time within the course of a week ) .
2020 stock market crash