circuit breaker
 n.— «We said there’s one market today, not many marketplaces and that you have to coordinate circuit breakers between the markets. Circuit breakers in Chicago are really price limits, ad the circuit breakers in New York are really trading halts. As a corollary, if you don’t like these circuit breakers, you have to be prepared to have the ones we had on the 19th and 20th of October. And those are ad hoc.» —“A Plea for Market Coordination” by James Sterngold New York Times Jan. 12, 1988. (source: Double-Tongued Dictionary)

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