Anthropic’s COBOL tool triggers worst single-day drop in 25 years in IBM's stock price: What it is and why it wiped billions of dollar for IBM

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

IBM drops most since 2000 as Anthropic touts Cobol tool

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

IBM Sinks Most Since 2000 as Anthropic Touts Cobol Tool

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

Anthropic Vs. IBM: AI Starts To Threaten Businesses (Rating Downgrade)

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

When AI learns legacy: How code that rewrites itself is changing IT economics

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