Memory chipmaker Kioxia replaces Toyota as Japan's most valuable company

Summary

Kioxia's shares surged 7.6% on Friday, lifting its market value to ~$274B, surpassing Toyota Motor Corp. as Japan's largest company by market value.

Why it matters

Kioxia's market value surge highlights the growing importance of memory chipmakers in the global technology industry.

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Memory chipmaker Kioxia replaces Toyota as Japan's largest company by market value; Kioxia's shares surged 7.6% on Friday, lifting its market cap above ~$274B

6/12/2026, 6:03:52 PM

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2026-06-12: #7