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International Business Machines

stock is getting slammed, becoming the latest victim of rapidly developing AI technology, after Anthropic’s Claude announced COBOL capabilities.

Shares of IBM fell 11% in Monday afternoon trading after Anthropic outlined a new use case for its Claude Code product: automating the exploration and analysis work that drives most of the complexity in COBOL modernization.

COBOL, short for Common Business-Oriented Language, is a decades-old programming language used widely in business data processing, which is a core business area for IBM. COBOL continues to power systems responsible for large volumes of transactions, including payment processing and retail transaction systems, making it a prime target for cost-efficient AI disruption.