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The Guardian - UK
The Guardian - UK
Business
Anna Isaac

AI boom adds more than half a trillion dollars to wealth of US tech barons in 2025

Elon Musk waves against a black background
Elon Musk sits ahead of Google’s co-founder Larry Page and the Amazon founder, Jeff Bezos, in the overall rankings of the world’s wealthiest billionaire. Photograph: Daniel Cole/Reuters

A stock market boom in artificial intelligence companies has added more than half a trillion dollars to the wealth of America’s tech barons in the past year, data shows.

The top 10 US founders and bosses of some of the world’s largest technology companies saw their finances swell to nearly $2.5tn, up from $1.9tn, in the year to Christmas Eve, according to figures from Bloomberg.

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