October 23, 2026StocksMacroTechnology·Bearish·ai capex warning
Hedge fund manager Harris Kupperman warns AI capital spending is unsustainable, threatening economic rationalization
Hedge fund manager Harris Kupperman warns that AI capital spending is unsustainable and threatens a sharp economic rationalization. He notes AI capital spending now accounts for roughly 3% of US GDP and compares current spending to 19th century railroads.
Detected & updated continuously · Source: Nebula
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Harris KuppermanUnited States gross domestic product