Sport Chalet Inc. (SPCHB) is the latest U.S. stock halted by circuit breakers implemented in June 2010.
The curbs were created after the 20-minute rout on May 6, 2010, erased $862 billion from the value of U.S. shares before prices rebounded. New rules proposed by exchanges on April 5, 2011, would shift the market to a limit-up/limit-down system that prevents shares from moving more than a certain amount.
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