
IBM Stock Plunges on AI Threat From Anthropic: Time to Rethink?
International Business Machines Corporation IBM stock plummeted 20.6% over the past three months, lagging the industry's 12.8% growth due to a sudden development in artificial intelligence (AI) that could threaten its core legacy businesses. The plunge was primarily triggered by an announcement from AI firm Anthropic that its Claude Code tool can modernize legacy COBOL systems — a foundational programming language deeply embedded in IBM's mainframe ecosystem.


















