Claude of Anthropic causes market sell-off in early 2026 thanks to Claude Cowork & Claude Code Security – Investors fear AI will replace traditional business models.

Anthropic’s latest Claude model has triggered a broad market sell-off at the start of 2026, driven by the release of two powerful new features: Claude Cowork (AI teammate for collaborative work) and Claude Code Security (advanced code vulnerability detection and protection).

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Investors are increasingly concerned that these tools could rapidly replace traditional business models, subscription-based software services, and outsourcing contracts. Early reports show institutional funds rotating out of tech stocks heavily exposed to SaaS and IT services, with some analysts warning that “AI agents are coming for white-collar jobs faster than expected.”

The sell-off reflects growing fears that generative AI is moving from hype to real-world disruption, pressuring valuations across the broader technology and services sectors.