During heightened volatility, circuit breakers can be triggered to curtail panic selling and prevent an extreme downward ...
The trading curbs go into effect when the S&P 500 crosses certain thresholds during extreme market volatility.
How much do stocks have to drop before trading is halted? The details on market ‘circuit breakers'
When stock prices and stock futures fall rapidly in a single session, exchanges implement halts in trading to allow a moment ...
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