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stock circuit breaker (CNN Alex_Odeychuk); stock circuit breakers (CNN; e.g., a 5% rise or fall on the Dow Jones Industrial Average Index, which tracks stocks in the U.S., triggers a 15 minute trading halt. A move of 7% at any time, or 5% in the 15 minutes before markets close, stops trading for the rest of the day Alex_Odeychuk) |