Health Secretary Sajid Javid says there are "no guarantees" when it comes to ruling out new restrictions or another circuit breaker before Christmas. But what exactly is a circuit breaker in Covid ...

With the S&P 500 falling at this rate, the stock market could be at risk of triggering a circuit breaker. Circuit breakers have become a feature of the stock market that halt trading across ...

Back-to-back circuit breakers were triggered when the Ibovespa slumped 10% just 20 minutes into trading and then again when it hit the 15% limit down by late morning. While the benchmark index ...

A two-week circuit breaker at the end of October may halve Covid deaths in the UK between now and the end of the year, says a scientific report. A circuit breaker would see tighter restrictions on ...