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IBM Sinks Most Since 2000 as Anthropic Touts Cobol Tool

Bloomberg Markets
Monday, February 23, 2026 at 8:32 PM
~4 min read

Original Report

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...

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 language that’s run on IBM computers.

Glass House Analysis

This story reflects the interconnected nature of modern economic systems, where developments in one sector inevitably affect others. Understanding these connections is essential for grasping how policy decisions and market movements translate into real-world outcomes for families, workers, and communities. The economy is not an abstract system of numbers—it's the sum total of decisions about who works, who prospers, and who struggles.

The implications extend beyond the immediate news cycle. Every economic development creates ripples that affect employment, prices, and opportunities in ways that may not be immediately visible but are deeply felt. By tracking these connections, we can better understand how the economy truly works—not as an abstract machine, but as a human system shaped by and shaping the lives of millions.

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