(LEAD) Seoul shares surge to new high of over 8,000 on optimism for U.S.-Iran deal

Lead

South Korean stocks surged to a record high on Tuesday, closing above the 8,000-point level for the first time, as investors were buoyed by optimism over a possible U.S.-Iran peace deal that could reopen the Strait of Hormuz. The benchmark Korea Composite Stock Price Index (KOSPI) gained 199.8 points, or 2.55 percent, to close at 8,047.51, marking the third consecutive session of gains, according to Yonhap News Agency.

Coverage Comparison

Reporting from Yonhap News Agency, the sole wire service covering the event, showed consistent details across multiple updates. The KOSPI first crossed the 8,000-point mark earlier in the session, with initial reports citing a rise of 223.2 points, or 2.84 percent, at the opening bell. Later dispatches confirmed the index trimmed gains after news of U.S. strikes on Iran but still closed at a record.

One early report noted that the index had topped 8,000 for the first time since May 15, while later updates clarified this was the first-ever close above that threshold. The market had previously broken the 7,000-point level on May 6.

Key Claims

• Record Close: The KOSPI closed at 8,047.51, up 199.8 points or 2.55 percent, the first close above 8,000 in its history. This claim was carried by multiple Yonhap reports and is considered highly reliable.
• President Trump's Comments: U.S. President Donald Trump said talks with Iran to extend the ceasefire and unlock the Strait of Hormuz were proceeding "nicely," but warned of fresh attacks if they fail. This was reported consistently across all sources.
• U.S. Strikes on Iran: U.S. forces conducted strikes in southern Iran, described as defensive actions. This was reported in at least one Yonhap article, which noted the strikes caused the KOSPI to trim gains slightly.
• Falling Oil Prices: On optimism for an end to the war, Brent crude sank 7 percent to $96, and U.S. West Texas Intermediate futures dropped 6.5 percent to $90. This was mentioned in multiple reports.
• Korean Won Strength: The local currency rose against the U.S. dollar, trading at 1,508.35 won at mid-session, up 8.05 won from the previous session. Later reports placed the close at slightly different levels.
• Market Breadth: Trading volume was heavy at 514.3 million shares worth 39.1 trillion won ($26 billion), with losers outnumbering winners 653 to 234. Institutions were net buyers, while foreign and individual investors sold.

Perspectives

Investor Optimism: The primary driver of the rally was the prospect of a U.S.-Iran peace agreement that would reopen the Strait of Hormuz, a critical oil shipping route. Analysts cited easing Middle East tensions as a key factor.

Cautious Elements: Despite the surge, the U.S. strike on Iran later in the day tempered gains. The mixed market breadth, with more losers than winners despite the record close, suggests the rally was concentrated in specific sectors rather than broad-based.

Market Leadership: Semiconductor, auto, and shipbuilding shares led the advance. Samsung Electronics rose 2.22 percent, SK hynix jumped 5.72 percent to a record high, Hyundai Motor gained 5.19 percent, and shipbuilder Hanwha Ocean soared 10.23 percent.

International Context: The optimism extended beyond Seoul, with U.S. markets hitting record closing highs on the same day. On May 29, reports of a U.S.-Iran memorandum of understanding to extend the ceasefire for 60 days led to further gains, with the KOSPI opening 2.65 percent higher at 8,402.29.

Temporal Note: The reports from May 26 and May 29 provide a snapshot of evolving developments. While the initial rally was driven by hopes for a deal, subsequent reports confirmed a formal agreement, suggesting sustained positive momentum for South Korean equities.