South Korea's stock market fell sharply again today (March 9).As the war situation in the Middle East intensified, the Strait of Hormuz will continue to be completely blocked, international crude oil prices soared, and the South Korean stock market quickly triggered the circuit breaker mechanism after opening.So far, South Korea's stock market has wiped out nearly half of its gains this year. In less than two hours after the market opened, the Korean stock market (KOSPI) plummeted 8.86%, triggering the first-level circuit breaker mechanism. The Korean stock market even announced a market closure, with all trading suspended for 20 minutes. Since the United States and Israel launched war against Iran on February 28, South Korea's stock market has experienced the two most brutal plunges in history in just two weeks (a plunge of more than 12% last Wednesday).So far, South Korea's stock market has wiped out nearly half of its gains this year.