NYSE Will Require Three Trades for Circuit Breakers
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NYSE Euronext relaxed rules meant to curb volatility in the U.S. stock market, requiring three trades instead of one to execute outside price limits before a company is halted.
The circuit breakers last five minutes for Standard & Poor’s 500 Index and Russell 1000 Index companies as well as more than 300 exchange-traded funds when they rise or fall at least 10 percent within five minutes. The pauses were established after the May 6 crash erased $862 billion of value in 20 minutes.