Kioxia shares tumble after outlook suggests demand levelling off

What happened

Kioxia’s shares fell as much as 15% at Monday’s Tokyo open after it forecast 2 trillion yen in operating profit for the December quarter, below analysts’ 2.35 trillion yen estimate. It said shipment timing, not weaker demand, weighed on its outlook. The Nikkei later fell 0.31% by midday.

Global impact / market context

The outlook disappointed investors and pulled Kioxia shares down sharply. Its explanation points to shipment timing rather than weaker demand, but the forecast gap still weighed on the market. Gains in Tokyo Electron and Panasonic limited the Nikkei’s fall.

What to watch

1. Check whether Kioxia’s December-quarter profit forecast changes; it matters because the current 2 trillion yen forecast is below analysts’ estimate.
2. Check what Kioxia says about shipment timing; it matters because the company said timing weighed on its outlook.
3. Check the Nikkei’s next reported move and whether Tokyo Electron and Panasonic continue to gain; they helped limit its midday fall.

Affected assets

• Kioxia Holdings Corp.
• Micron Technology Inc.
• Nikkei Stock Average
• SNDK
• The Roundhill Memory ETF
• TOELY

Evidence

• Infoway News — Japan's Nikkei falls as Kioxia tanks, mitigated by gains in Tokyo Electron 2026-11-02T03:02:23+00:00
• Infoway News — MU, SNDK, DRAM Inch Higher Overnight After Mixed Week: Japan's Kioxia Plunges After Cautious Memory Outlook 2026-11-02T02:09:08+00:00
• Infoway News — Kioxia shares tumble after outlook suggests demand levelling off 2026-11-02T01:19:23+00:00
• Incident timeline — Japan's Nikkei falls as Kioxia tanks, mitigated by gains in Tokyo Electron
• Incident timeline — MU, SNDK, DRAM Inch Higher Overnight After Mixed Week: Japan's Kioxia Plunges After Cautious Memory Outlook
• Incident timeline — Kioxia shares tumble after outlook suggests demand levelling off