not exactly - circuit breaker was put in place after the 1987 crash, but the 3-t...

		findjashua on March 9, 2020 \| parent \| context \| favorite \| on: Trading halted as U.S. stocks plummet not exactly - circuit breaker was put in place after the 1987 crash, but the 3-tier system (7-13-20) went into effect only in 2013: https://www.wikiwand.com/en/Trading_curb