After the purchase, Berkshire owns $4.3 billion of this AI company, pushing it into its top 10 holdings by value. Why is ...

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Berkshire Hathaway purchased 17.8 million shares of Alphabet’s Class A stock in the third quarter, according to a regulatory ...

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Detailed price information for Berkshire Hathaway Cl B (BRK-B-N) from The Globe and Mail including charting and trades.