AI stocks tumble as Anthropic CEO Dario Amodei warns of AI risks in 3,800‑word essay
Pre‑market trading on Monday saw a sharp drop in AI‑related equities after Anthropic chief executive Dario Amodei posted a 3,800‑word essay warning that the pace of AI capability advances must be slowed to give risk‑prevention measures time to keep up. Shares of Marvell, SK Hynix, Micron and Super Micro each fell about 6%, while CoreWeave, SanDisk, Intel and AMD slipped more than 4%.
Key points
- AI stocks fell sharply in pre‑market after Dario Amodei’s 3,800‑word essay; Marvell, SK Hynix, Micron, Super Micro each down ~6%.
- Nvidia and Broadcom slid about 3% despite being leading AI hardware names.
- Both Amodei and OpenAI CEO Sam Altman called for slowing AI progress and stronger safety coordination.
Even the sector’s biggest names, Nvidia and Broadcom, were not immune, sliding roughly 3% after the opening bell. Amodei’s essay stressed the need for “more prudence” and a slower development tempo. OpenAI CEO Sam Altman echoed the concern in an early‑morning X post, warning of two dangerous paths: loss of control over AI and excessive concentration of power in a single entity or country. Bernstein analyst Madison Rezaei said the framework calls for independent reviewers, safety‑standard coordination and international cooperation.
The story so far
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AI stocks get drilled because of Anthropic CEO Dario Amodei's 3,800-word warning
finance.yahoo.com · 14 September 2026
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