What Is a Circuit Breaker in Trading? How Is It Triggered?

Circuit breakers temporarily halt trading on an exchange when a security or broad index moves in excess of a pre-set threshold amount.

Wall Street Explores Changes to Circuit Breakers After Coronavirus

Seoul stocks sink, trigger first circuit breaker for 5 min in 8

Circuit breaker triggered on SET index

Bangkok Post - New -8% trigger for circuit-breaker

Stock Market Circuit Breakers

Catching a falling knife: an analysis of circuit breakers in UK

Level 1' Stock Market Shut Down Barely Scratches 1987's Black Monday

Explained: Stock Market Price Bands And Circuit Breakers

Trading in Citigroup Halted by Circuit Breaker - WSJ