Stock market circuit breakers are embedded to provide cool-off periods in the S&P 500 futures, Nasdaq 100 futures, Dow ...

During heightened volatility, circuit breakers can be triggered to curtail panic selling and prevent an extreme downward ...

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

Circuit breakers have become a feature of the stock market that halt trading across exchanges when the S&P 500 falls rapidly. They were born out of the "Black Monday" stock-market crash of 1987 and ...