Carl Quintanilla, Jim Cramer and David Faber discussed Warren Buffett's investment strategy. The billionaire investor said Berkshire Hathaway raised its stake in five Japanese holding companies by 7.4% each -- and is considering buying more. AI also in the spotlight: Alibaba rolls out a system to rival ChatGPT, AI faces new scrutiny in both the U.S. and China, plus anchor reaction to what former Google CEO Eric Schmidt told CNBC about AI. Also in focus: Markets brace for Wednesday's CPI data, bitcoin hits a ten-month high and surpasses $30,000, playing the chip sector, Cramer's list of underappreciated Dow stocks. 

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