Friday, October 16, 2026

East Asia Brief

Business•Industry•Policy Intelligence

BreakingSemiconductorsJapan

Kioxia sheds two-thirds of market value as Chinese NAND rivals surge

Japan's leading flash memory maker faces intense margin pressure as low-priced supply from Chinese competitors reshapes the global market.

A robotic arm handles semiconductor components on an automated assembly line as a technician observes in a cleanroom. (AI-generated image)
A robotic arm handles semiconductor components on an automated assembly line as a technician observes in a cleanroom. (AI-generated image)

Japanese flash memory producer Kioxia Holdings saw its market capitalization contract by roughly two-thirds from its peak following an intense wave of low-priced supply from Chinese competitors on Oct. 15, 2026.

The company, which operates major NAND flash manufacturing bases in Japan and supplies global consumer electronics and server builders, faced sharp downward pressure in Tokyo trading as regional pricing softened.

The documents behind this briefing are linked above. East Asia Brief produces its English text with AI assistance under human editorial review, and does not translate or republish other outlets' articles. See our methodology and AI policy. Spotted an error? Tell us.

KS

Kenji Sato

Japan bureau chief — Kenji Sato leads Japan coverage, with a focus on the semiconductor equipment and materials suppliers that sit upstream of every fab in the region.

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