It's already a wild session in the stock market, with futures tied to major indexes around the globe tanking. In Japan, the ...

The trading curbs go into effect when the S&P 500 crosses certain thresholds during extreme market volatility.

Circuit breakers protect you, your family and your home against dangerous electrical situations. Read on if you're curious about what they are and how they work. A circuit is a closed loop of ...

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.

Below, we explore how these safeguards work, what sets them off, and how they affect the financial markets. Market-Wide Circuit Breakers In electronics, a circuit breaker is a safety device.

We've now tripped the so-called circuit breakers two times in four days. On Monday, March 9, the S&P 500 fell 7% within minutes of the open, triggering a market-wide trading halt for the first ...