[Market Focus] Nam Sung Aluminum Jumps 23% as US-Iran Talks Collapse

As ceasefire negotiations between the United States and Iran broke down, aluminum-related stocks, including Nam Sung Aluminum, are showing strong gains in the domestic stock market on the morning of April 13, 2026.

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As of 10:03 a.m. on the same day, Nam Sung Aluminum was trading at 2,720 won per share, up 23.36% from the previous session. At the same time, Choil Aluminum was up 16%, and Sam-A Aluminum was posting gains of around 9%.

This is due to concerns over renewed tensions in the Middle East and instability in aluminum supply, following news of the first ceasefire negotiations between the United States and Iran ending without an agreement. Since the escalation of the Iran crisis, aluminum-related stocks have risen whenever tensions in the Middle East intensified. Middle Eastern countries produce 9% of the world's aluminum supply.

Previously, on April 11, 2026-42 days after the outbreak of war-the United States and Iran held face-to-face talks in Pakistan aimed at ending the conflict, but the talks ended with 'no deal' and no agreement was reached. It was reported that the two sides had differences over the reopening of the Strait of Hormuz and the Iranian nuclear issue.

Soon after, the U.S. military announced that, starting from 11:00 p.m. KST on April 13, 2026, it would begin a blockade of all maritime traffic entering and leaving Iranian ports. Maritime blockades are measures taken in wartime or quasi-wartime situations in which navies are deployed to block the passage of enemy warships or merchant vessels, thereby cutting off the enemy’s supply lines; under international law, such blockades are considered acts of war.

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