The Securities and Exchange Commission's so-called circuit breakers trigger if the index falls by 7%, 13%, or 20% from the previous session's closing price. The stock market is getting rocked this ...

Circuit breakers attempt to curb panic selling and can also be triggered on the way up with manic buying. Circuit breakers are temporary measures that halt trading to curb panic-selling on stock ...

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 ...