When stock prices and stock futures fall rapidly in a single session, exchanges implement halts in trading to avoid market ...

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 ...

Stocks were falling sharply again on Friday. Watch this level for a circuit-breaker to be triggered. - Getty Images/iStockphoto The market sell-off tied to President Trump’s “reciprocal ...