(https://www.cnbc.com/2026/08/18/bond-market-treasury-yields-warsh-main-street.html) are the headline everyone's watching, but here's what the forensic data reveals: mega-cap AI leaders are in a capex race where spending velocity is outpacing revenue collection. NVDA posted in annual operating cash flow against in revenue—solid on the surface, but the conversion efficiency gap (61.6% OCF/Revenue ratio) warrants scrutiny.

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