In May, Warren Buffett sent Wall Street into a frenzy when he sold a third of Berkshire Hathaway's stake in IBM. In response to his decision, Buffett stated, "I don't value IBM the same way that I did six years ago when I started buying...I've revalued it somewhat downward."

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It is funny ... IBM has recorded 21 consecutive quarter of lost revenue. And their AI business is very slow growing in the US. However, in Japan, AI is somewhat a boom. Japan always adopt the latest and greatest before it is proven. They always waste a lot of money and effort.