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 ...

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 ...

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 ...

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 ...

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.