Famed investor Warren Buffett has issued a warning to investors about rising speculation in financial markets, particularly as it relates to cryptocurrencies and prediction markets.

At the 2026 Berkshire Hathaway (NYSE: $BRK.B) shareholder meeting, Buffett warned about the rise in short-term trading and risky bets placed on cryptocurrencies.

Buffett said market behavior has moved closer to gambling as individual retail investors chase quick returns. 

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