The ‘IBM-killer’ tool launched on Feb 23, 2026, causing a $31B market drop for IBM.nnKey FeaturesnSpecialized reasoning engine that autonomously modernizes decades-old COBOL codebases—the backbone of global ATMs and airlines.nnUse CasenUsed by banks to migrate legacy mainframe logic to modern Java/Python without the multi-year, multi-million dollar consulting fees.nnWhy Choose Claude Code?nIt can understand 95% of US ATM transaction logic and refactor it with human-level precision in minutes rather than months.