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South Korean Stocks Surge Nearly 4 Percent to All-Time Intraday High

South Korean stocks rallied to a record intraday high on Monday, driven by gains in semiconductor shares. The benchmark KOSPI index climbed 3.94 percent amid U.S. President Donald Trump's announcement on guiding ships through the Strait of Hormuz. Iranian officials responded with warnings of potential ceasefire breaches.

Yonhap
1 source·May 3, 10:34 PM·1m read
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South Korean stocks traded nearly 4 percent higher to hit a fresh intraday high late Monday morning on May 4, 2026, led by strong advances in semiconductor shares amid developments in Middle East peace talks. m.

U.S. President Donald Trump's announcement on guiding ships not involved in the Iran conflict through the Strait of Hormuz from this week. U.S. interference in the Strait of Hormuz a ceasefire breach, according to Yonhap.

U.S. response to its latest offer for peace talks on Sunday, May 3, 2026. U.S.

Response. 33 percent. 33 percent on the same day.

79 percent. U.S. m. 05 won from the previous session.

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