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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. I show you how to save and invest. In 1987 the markets fell over 20% in a single day. Separately, in 1989 the markets had a 6% one ...

Circuit breakers, despite any techy magic happening beneath the surface, should be the most predictable things in the world.

But many investors and others may not know what the market circuit breaker is and why it is so important. What is a market circuit breaker? How does a circuit breaker work? What are single-stock ...

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 ...

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 ...