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

IBM shares plummeted after AI startup Anthropic announced its tool can automate COBOL modernization, threatening IBM's core ...

International Business Machines Corp. shares had their worst day in more than 25 years on Monday, after AI startup Anthropic ...

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

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