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

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

Following the recent selloff, IBM’s valuation has become more compressed, according to analysts. The stock now trades at roughly 18 times projected 2026 earnings and about 16 times this year’s free ...

IBM shares rebound 5% after AI fears fade, as analysts defend its mainframe strength and downplay risks from Anthropic’s ...

International Business Machines Corporation stock plunges; downgrade IBM to Hold as Anthropic's Claude Code threatens consulting. Click for more on IBM and ANTHRO.

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.

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 ...

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

Researchers summarize key insights from the world’s first comprehensive investigation into how a pandemic started.

IBM shares suffered their worst single-day drop in over 25 years on Monday, February 23 after AI startup Anthropic announced ...

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