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

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 ...

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 ...

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

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

With the decline, IBM shares have fallen 27% in February, on track for its biggest one-month slide since at least 1968, ...