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Seoul stocks tumbled more than 4 percent on Tuesday, extending a losing streak to a fourth session, as U.S. President Donald Trump's renewed threats against Iran rattled investor sentiment and drove global oil prices higher, according to Yonhap News.

The benchmark Korea Composite Stock Price Index (KOSPI) fell 224.84 points, or 4.26 percent, to close at 5,052.46, the agency reported. The Korean won weakened sharply against the U.S. dollar.

The sell-off came as the monthlong Middle East conflict, which began in late February following U.S.-Israeli strikes on Iran, showed signs of further escalation rather than resolution, per Yonhap's report.

Coverage Comparison

Both sources, both from Yonhap News, focused on the same fundamental narrative: Trump's threats against Iran destabilized markets. One article, dated March 31, emphasized heavy foreign selling and the conflict's escalation, while the other, dated April 2, highlighted a sell-side sidecar triggered on the Korea Exchange after an initial positive open.

The later article noted that stocks initially opened higher on hopes for peace, but reversed sharply after Trump's prime-time address. In contrast, the earlier article framed the decline as part of an ongoing losing streak without mention of a positive open.

Both reports attributed the market decline to Trump's threats and their effect on oil prices, with analysts quoted in both pieces warning of heightened risk-off sentiment.

Key Claims

  • Seoul stocks fell over 4 percent on Tuesday, with the KOSPI dropping 4.26 percent to 5,052.46, according to Yonhap.
  • The Korean won weakened sharply against the U.S. dollar.
  • Trump threatened to "completely obliterate" Iran's Kharg Island, a key oil hub, as well as its power plants and oil wells, if a peace deal was not reached "shortly," as reported by Yonhap.
  • Tehran dismissed the peace proposals as "unrealistic, illogical and excessive," a claim carried by a single report and not independently verified.
  • The conflict in the Middle East began in late February following U.S.-Israeli strikes on Iran, according to both reports.
  • Iran-backed Houthi militants in Yemen joined the war over the weekend, stoking fears of further disruptions to global oil supplies, a claim reported by one outlet and not yet corroborated.
  • The Korea Exchange activated a sell-side sidecar at around 2:46 p.m., temporarily halting program-driven sell orders in KOSPI futures for five minutes, per a report from the exchange.
  • Global oil prices increased, with Brent crude jumping more than 4 percent to well over $100 a barrel, according to Yonhap.

Perspectives

Analysts quoted by Yonhap expressed caution. "Despite earlier remarks by U.S. and Iranian leaders suggesting the possibility of an end to the conflict, Trump's latest message indicating the war could continue disappointed investors," said Kang Jin-hyuk, an analyst from Shinhan Securities. "Risk-off sentiment is strengthening as expectations for a ceasefire fade."

Another analyst, Lee Jung-bin at Shinhan Securities, noted: "The Iran crisis, coupled with rising oil prices, is pushing up the equity risk premium. A cautious approach to the market seems to be needed, given the possibility of downward revisions to earnings forecasts amid geopolitical risks."

Israeli Prime Minister Benjamin Netanyahu said the war had achieved more than half its aims, though he did not provide a timeline for its end, as reported by Yonhap.

As of this writing, there has been no official response from the White House or Iranian authorities to the specific market movements described.