Market Insights: Berkshire's Big Moves, Stock Surge, and AI Earnings Buzz

Dow Jones futures, S&P 500 futures, and Nasdaq futures will open Sunday evening.

Berkshire Hathaway reported strong earnings and cash growth.

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Warren Buffett expects further increases in earnings and cash levels.

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The stock market rally had a strong week, with the Nasdaq surpassing a key level.

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Nvidia regained a key level and flashed an early buy signal.

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Several companies, including Palantir Technologies and Datadog, have earnings on tap.

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Berkshire Hathaway's operating earnings jumped 39% in the first quarter.

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