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 ...

With the decline, IBM shares have fallen 27% in February, on track for its biggest one-month slide since at least 1968, according to data compiled by Bloomberg. “Modernizing a Cobol system once ...