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Berkshire's stock gains as AI worries depress Wall Street

Berkshire Hathaway's B shares and A shares moved 4.5% higher this week after a strong earnings report last weekend, even as the broader market moved lower amid fears AI stocks are overvalued and worries about weakness for the U.S. economy.

The Nasdaq's 3% drop was its worst weekly decline since April . Zoom In Icon Arrows pointing outwards

The upturn for Berkshire shares has cut its underperformance versus the benchmark S&P 500 to 4.3 percentage points from 12.2 percentage

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