Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, risk management, and public policy. Peter began covering markets at Multex (Reuters) ...

Stock market circuit breakers are used to temporarily stop the trading of all securities in the event of rapid, steep downturns in broad market pricing. Circuit breakers trigger automatically on every ...

Markets are fundamentally human, and therefore fueled by human emotions, including anxiety and fear. When such emotions get excessive, market-wide circuit breakers can come into play. These mechanisms ...

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 ...