Check. Getting ready for a wedding ... Because they’re safety devices, circuit breakers have to work automatically. (Of course, you can also operate them manually, which you should always ...

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 ...

In fact, most of us are more comfortable working with ... You can check out the video embedded after the break to learn a bit about how a circuit breaker works, and of course witness the carnage.