WSJ: Top 5 Firms to Spend $4.2T on AI CapEx by 2029, Largest US Infrastructure Build Ever

annbordetsky · x · 2026-09-24

WSJ charts the next four years of AI-led expansion: top five companies are projected to spend $4.2 trillion in CapEx by 2029 — the largest infrastructure build in US history, bigger than telcos and railroads combined. Net new AI jobs will span gig economy, blue-collar and white-collar work. Author argues now is the best time to build in AI.

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