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IBM Stocks Slide 13% After Anthropic Claims Faster COBOL Modernization

IBM shares slumped on Monday, February 23, 2026, after Anthropic said its AI could speed up COBOL modernization. The stock fell about 13%, marking IBM’s sharpes

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IBM stock falls after Anthropic says AI can now modernize old software

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IBM shares plunge as Anthropic touts COBOL modernization efforts

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Explained: How IBM’s 13% plunge on Anthropic’s COBOL disruption fears sparked bloodbath in TCS, Infosys, Wipro & other IT stocks

IT stocks slumped on February 24, falling up to 8%, after IBM plunged 13% on Wall Street—its worst drop in 25 years—amid concerns that Anthropic’s Claude AI tool could streamline COBOL code and disrup...

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US Stocks | IBM posts steepest daily drop since 2000 after Anthropic says AI can modernize COBOL

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IBM stock falls 13.1% after Anthropic launches AI tool to modernize COBOL code

IBM Confronts Anthropic COBOL Threat While Expanding Watsonx With Voice AI

Anthropic launched an AI tool that automates COBOL modernization, challenging IBM's long established mainframe services business. IBM responded by stressing the resilience, security and integration needs of mission critical enterprise systems that go beyond code translation.

BusinessMirror

IBM drops most since 2000 as Anthropic touts Cobol tool

International Business Machines Corp. shares had their worst day in more than 25 years on Monday, after AI startup Anthropic PBC said its Claude Code tool can help modernize Cobol, a dated programming language that’s run on IBM computers.

IBM's Anthropic-induced sell-off overlooks the fact it's disrupting itself: Jefferies

IBM stock plunged on Claude Code COBOL fears, but Jefferies says IBM’s watsonx is already modernizing mainframes with GenAI—read more now.

NewsBytes

IBM shares tank 13% as Anthropic's AI threatens legacy systems

IBM's stock value dropped 13% following Anthropic's announcement that its Claude Code tool could modernize COBOL-run legacy systems.

19hon MSN

IBM posts steepest daily drop since 2000 after Anthropic says AI can modernize COBOL

Feb 23 (Reuters) - Shares of International Business Machines recorded their steepest daily drop in more than 25 years on Monday, after AI startup Anthropic said its Claude Code tool could be used to modernize a programming language run on IBM systems.