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.

Anthropic Vs. IBM: AI Starts To Threaten Businesses (Rating Downgrade)

International Business Machines Corporation stock plunges; downgrade IBM to Hold as Anthropic's Claude Code threatens ...

After IBM's worst day on stock market, IBM senior vice-president Rob Thomas to everyone betting on AI: New AI tools emerge every week, what they do not change …

IBM or International Business Machines Corp had its worst day on stock market in more than 25 years on Monday, February 23.

When AI learns legacy: How code that rewrites itself is changing IT economics

On 23 Feb 2026, IBM shares dropped 13%, losing nearly $30B, after Anthropic's Claude AI promised faster COBOL modernization, threatening legacy IT services dependent on scarce expertise.

AI to help modernize COBOL systems: IBM stock plummets

After Anthropic introduced a tool for automating time-consuming COBOL modernization, IBM's stock plummeted over 13 percent.
Investor's Business Daily on MSN

IBM stock stung by Anthropic fears. Analyst says AI 'can't replace' the mainframe

IBM is the latest victim to investor fears about Anthropic's AI code.
Technobezz on MSN

IBM stock plunges 13% after Anthropic AI challenges core business

IBM's market value drops $25 billion as AI threatens its lucrative COBOL modernization business, sparking a historic stock ...