What are stock market ‘circuit breakers’ and why was one used to halt trading in the US today?

What are stock market ‘circuit breakers’ and why was one used to halt trading in the US today? By Harry Wise For This Is Money Published: 15:38 GMT, 9 March 2020 | Updated: 15:50 GMT, 9 March 2020 Trading on the New York Stock Exchange was paused for fifteen minutes today after the S&P 500 … Read more