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AI stocks rise as Anthropic nears Wall Street debut amid investor caution

By Thomson Reuters Oct 26, 2026 | 10:33 AM

Oct 26 (Reuters) – AI-linked stocks rose on Monday after Anthropic revealed the paperwork for its initial public offering, against the backdrop of growing investor unease over ​debt-fueled spending on infrastructure for the new technology.

Shares of ‌Nvidia, the world’s most valuable company, added nearly 3%. Microsoft and Amazon gained nearly 1% each.

A successful flotation by a pure-play AI giant such as Anthropic could reshape how markets value parts of the booming ‌industry, ​including chipmakers and related infrastructure companies, ⁠analysts have said.

It could ⁠also divert capital from some tech heavyweights as investors make room in their portfolios for a new way to bet on the technology.

The industry’s web of relationships adds another ​wrinkle, as some of the biggest technology companies are investors in both Anthropic and its chief rival, OpenAI.

Among other ⁠AI stocks, battered shares of neoclouds ⁠CoreWeave and Nebius Group rose 5.7% and 2.3%, ​respectively, after the filing, reversing earlier losses following SpaceX CEO ​Elon Musk’s comments.

Data center operators Applied Digital and IREN ‌gained 1% and 3%, respectively.

Memory chipmaker Micron rose 3%, and data-storage firms Sandisk, Western Digital and Seagate added about 2.5% each.

AMD and Broadcom gained 2.5% and 3%, respectively. Zoom Communications, ⁠an early investor in Anthropic, rose 1.5%.

The broader Philadelphia Semiconductor Index was up over 3%.

Focus now shifts to a potential IPO from ⁠OpenAI. But while ‌the stakes are high, the long-term impact ⁠of the IPOs on the AI trade remains ​uncertain.

“Ultimately, ‌investing in AI today involves searching for ​opportunity beyond the ⁠headline names,” said Michael Smith, head of the growth equity team at Allspring Global Investments.

“Today, attractive investment opportunities in AI may be in small and medium-sized firms that can efficiently and quickly solve growing infrastructure concerns.”

(Reporting by Niket Nishant in Bengaluru; Editing ​by Sriraj Kalluvila)