[Audio] AI infrastructure ends Big Tech buyback

For a decade, big tech ran the cleanest business model ever invented — no factories, no freight, infinite margins, and endless stock buybacks to keep shareholders happy. That era is over.In this episode, we unpack the massive structural shift quietly reshaping the 2026 S&P 500 — driven entirely by the physical cost of AI — and what it means for where smart money has to go next.We cover:* Why the top five hyperscalers — Amazon, Alphabet, Meta, Microsoft, and Oracle — are locked in a $527 billion infrastructure arms race in 2026 alone* Why Alphabet issuing a 100-year bond just to fund data center cooling is the clearest signal that the asset-light era is permanently behind us* How big tech’s $630 billion debt binge is eating 15% of the entire U.S. corporate bond market* Why the end of stock buybacks means the hidden dilution from stock-based compensation is about to become very visible* Why the SpaceX and OpenAI mega-IPOs aren’t a sign of a thriving market* The investment thesis that’s replacing “buy the index and look away”: buy the ones getting the CapEx, not spending it — the HVAC installers, grid upgraders, nuclear explorers, and custom silicon designers doing the literal heavy liftingClosing thought: what happens when baby boomers shift from contributing to their 401ks to drawing them down — at the exact same moment AI begins displacing the workers still paying in?---You can support our publication and podcast by upgrading your subscription…Gold Circle members receive up to 20 Analyst Reports each year.Analyst Reports speak for themselves—and are worth the price of admission. Don’t miss our next one. Become Gold Circle member.© Openfieldbook, publishing 5 days a week, am. Get full access to Open Fieldbook at openfieldbook.substack.com/subscribe