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Just one week after Berkshire Hathaway's revelation last Friday that it purchased 17.8 million Class A shares of Google's parent, Alphabet , in the third quarter (July-September), that position has increased in market value by $415 million to almost $5.35 billion.

GOOGL gained 8.4% this week while its biggest tech rivals fell significantly as Nvidia's strong earnings failed to overcome fears of an " AI bubble ." Zoom In Icon Arrows pointing outwards

Alphabet shares started the week with a 3.1% boost on Monday, apparently in reaction to the news of Berkshire'

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