have a "test" button just like their wall-receptacle brethren. These breakers do more than standard circuit breakers that ...

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

Even if you aren’t an electronics person, you probably have a working knowledge of circuit breakers. When the lights go out, you find the circuit breaker and flip it back to the on position.

The stock market exchanges have a mechanism in place to cease trading if market prices fall sharply enough to drain market ...

Fuses in plugs are made in standard ratings ... They detect faults and then stop the flow of electricity. Small circuit breakers protect individual household appliances, whereas larger ones ...

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 ...

Stocks were falling sharply again on Friday. Watch this level for a circuit-breaker to be triggered. - Getty Images/iStockphoto The market sell-off tied to President Trump’s “reciprocal ...