Sunday, November 15, 2026

East Asia Brief

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Sumitomo Metal cuts profit guidance 25% on nickel impairment

A 42.55 billion yen write-down on Philippine operations lowers annual net profit to 161 billion yen, testing margins at Panasonic Energy's primary cathode supplier.

A worker in a lab coat examines a tray of granular battery material beside large industrial processing tanks in a refining facility. (AI-generated image)
A worker in a lab coat examines a tray of granular battery material beside large industrial processing tanks in a refining facility. (AI-generated image)

Sumitomo Metal Mining Co., Ltd. detailed its battery-materials supply strategy on Nov. 15, 2026, outlining refining margins and cathode shipments after absorbing a 42.55 billion yen ($270 million) impairment charge.

The write-down forced the Tokyo-based refiner to lower its full-year consolidated net profit guidance by 25.5% to 161 billion yen ($1.02 billion), down 8.7% from the previous fiscal year.

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RM

Ryo Matsuda

Japan correspondent, companies and markets — Ryo Matsuda covers Japanese corporate results, capital allocation and M&A, working from filings and earnings material rather than guidance calls.

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