The AI industry is booming. Is this massive bubble about to burst?

By Maria Aspan

Published November 19, 2025 at 5:03 PM EST

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Is the trillion-dollar AI investment boom completely irrational? Google head Sundar Pichai thinks so, telling the BBC that there are "elements of irrationality" — yet Wall Street continues to invest.

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Maria Aspan

Maria Aspan is the financial correspondent for NPR. She reports on the world of finance broadly, and how it affects all of our lives.