Here's what to know about so-called “circuit breakers" and when they're used to halt trading on stock markets.

The trading curbs go into effect when the S&P 500 crosses certain thresholds during extreme market volatility.

South Korea's Kospi 200 index futures trading was also briefly suspended after falling close to 7% on Monday, while the index ( KOSPI) was down nearly 6%. In Taiwan, circuit breakers were triggered ...

The Thursday selloff has torched more than $2.5 trillion in market value so far, but the stock market is still ways away from a trading halt. The S&P 500 was recently down 4.1%. It would need to fall ...

When stock prices and stock futures fall rapidly in a single session, exchanges implement halts in trading to avoid market crashes on Wall Street.

A circuit breaker in financial markets is an emergency measure by exchanges to temporarily halt trading if the market or an individual security drops below a certain percentage. In finance ...

Asian stock markets took a huge plunge Monday as market sell-off tied to US President Donald Trump's "reciprocal" tariffs ...