During times of stock market volatility and big daily drops, one term that gets bandied about is "circuit breaker." But many investors and others may not know what the market circuit breaker is and ...

High voltage is not something we usually tinker with at home. In fact, most of us are more comfortable working with non-lethal, low current, low voltage DC signals. When we do venture into the world ...

Six minutes after trading began on the New York Stock Exchange on Monday, it was suddenly halted. That's when the S&P 500 index had plummeted 7% and marketwide circuit breakers kicked in. Trading ...

Boris Johnson is considering imposing a two-week circuit breaker lockdown after warning earlier this week that infection “figures are flashing at us like dashboard warnings in a passenger jet, and we ...

U.S. stocks had gone more than 20 years without a market-wide trading halt. 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 ...

The Dow plunged 1,089 points Monday on the open, prompting investors to ask us, "Will the stock market shut down today?" You see, if markets fall far enough, circuit breakers kick in and halt trading.