Mitsui Mining and Smelting & Sumitomo Group
3 shared events · Importance 3 · Last updated Aug 07, 2026
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Mitsui Mining and Smelting is a strategic partner of Sumitomo Metal Mining, having established a joint venture for zinc refining and consolidated their copper and copper alloy fabricated businesses into a jointly-owned entity.
Business
Mitsui Mining and Smelting: Mitsui Kinzoku surged over 14%, benefiting from the broad rally.
Sumitomo Group: Sumitomo Group advanced almost 6%, contributing to the rally.
Apr 21, 2022 · 26 articles
Business
Mitsui Mining and Smelting: Mitsui Mining and Smelting experienced significant declines on multiple days.
Sumitomo Group: Sumitomo Group saw mixed performance, with gains on some days and losses on others.
Jul 24, 2026 · 37 articles
Business
Mitsui Mining and Smelting: Mitsui Mining and Smelting's stock declined, showing a negative performance.
Sumitomo Group: Sumitomo Group's shares declined, showing a negative performance.
May 21, 2026 · 40 articles
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