AIToday
AI Stocks & MarketsTop Companies' AI MovesAI Business & IndustryTop Companies AIPublished: Sep 20, 2026, 06:30 JST

Amodei slowdown call hits Kioxia shares, down over 10%

Amodei slowdown call hits Kioxia shares, down over 10%

3 Key Points

  1. What happened

    Dario Amodei, who leads Anthropic, called for slowing the pace of AI development, and Kioxia Holdings shares briefly fell more than 10%.

  2. Why it matters

    Amodei's remarks rippled through the AI industry, and Kioxia's slide suggests investors see a slower AI build-out as a direct risk to memory-chip demand.

  3. What to watch

    The discussion covers whether a new NAND type can replace DRAM, with human data volume cited at 1200 exabytes; a possible SanDisk merger is also in play, and next week brings US-China talks and central bank week.

WHO IT HITSMemory-chip investors and analysts tracking Kioxia now face a demand question tied to how fast AI builders keep spending. Executives weighing DRAM-replacement NAND roadmaps and a possible SanDisk tie-up also have more to watch.

Not sure about something? Ask the AI

Summaries like this, in your inbox every morning.

Context & Analysis

The episode starts from what the reporters call an "Anthropic shock" — Anthropic CEO Dario Amodei's public call to slow the pace of AI development — and traces how quickly it was felt in Japanese equities, where Kioxia Holdings briefly lost more than 10% of its value. The conversation then widens beyond the single stock move: the reporters compare Kioxia's position with Nvidia, ask why the company stays cautious while Korean rivals announce large investments, and weigh whether Kioxia's new NAND memory can substitute for DRAM.

Several of the body's facts sit alongside each other as context rather than as a chain of cause and effect. NAND market expansion is discussed, China's memory position comes up, and the reporters raise the possibility of a management merger with SanDisk. The scale of data is framed by a cited figure of 1200 exabytes of human data, and the episode closes by flagging next week's US-China talks and central bank week.

The stakes appear to hinge on whether AI spending keeps its current pace — the very thing Amodei suggested slowing. If that pace cools, memory makers counting on AI demand could feel it first, though the body does not settle how deep or lasting that effect would be. The possible SanDisk combination and the DRAM-replacement NAND effort look like the two threads most likely to shape how Kioxia's story develops.

FAQ
Why did Kioxia Holdings stock fall?
It fell after Anthropic CEO Dario Amodei called for slowing the pace of AI development. The decline at one point exceeded 10%.
What is the new NAND discussed for replacing DRAM?
Kioxia is pursuing a new type of NAND memory intended to replace DRAM in response to AI demand. The discussion also cites human data volume of 1200 exabytes.
What event is coming up next week?
The discussion points to US-China talks and central bank week as the next items to watch.
Top Companies AIRead Original Article

Get the latest AI Stocks & Markets news every morning

For example, today's edition would include:

  • KLA beats Aehr as better AI stock pick, Motley Fool saysTop Companies AI · 2h ago
  • Micron edges Nvidia for 2027 as $800 billion AI spend loomsTop Companies AI · 2h ago
  • Citi sees memory chip shortfall widening through 2031Top Companies AI · 2h ago

AI-summarized, only the topics you pick — one digest a day via Email, Slack, or Discord.

Free · 30 seconds with Google · unsubscribe anytimeWhat is AIToday? →

Ask AI

Ask AI anything about this article. Q&As are published on this page for other readers too.

Related Articles

Next articleLINE WORKS×TMJ to host AI-BPO seminar on 9/30