Google owner Alphabet to sell $80bn in stock to fund AI spending spree

One of largest equity fundraisings ever includes $10bn share sale to US investment group Berkshire Hathaway

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Google’s parent company Alphabet has said it plans to raise up to $80bn (£59bn) in equity to fund its vast artificial intelligence infrastructure investments, raising further questions over the economics of the AI boom.

The move, one of the largest equity fundraisings ever globally, includes a $10bn share sale to the US investment group Berkshire Hathaway, which was led until last year by the retired investment guru Warren Buffett for 60 years.