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

Just like algae blooms in the ocean and pollen in the spring, there’s been an explosion in the past year or two of new software, related tools and lingo from the IT and mainstream/consumer side. Some ...

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 ...

Following an Anthropic blog post covering the use of AI in code modernization, IBM stock collapsed more than 13%.

On 23 Feb 2026, IBM shares dropped 13%, losing nearly $30B, after Anthropic's Claude AI promised faster COBOL modernization, ...

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