Warren Buffett turns 92 on Tuesday, having spent the past year expanding further his Berkshire Hathaway energy empire, making a classic value investor's bet. Plus, many energy stocks have found themselves with torrents of cash flow since the economy reopened following Covid lockdowns. "All of this just sounds like the perfect Berkshire Hathaway stock." If Berkshire continues to ramp up its Occidental investments and makes the position a controlling one, it probably reflects the influence of Greg Abel, Buffett's likely successor who has been leading the conglomerate's energy unit Berkshire Hathaway Energy. Berkshire acquired MidAmerican Energy in 1999, and Abel became CEO of MidAmerican Energy in 2008, six years before it was renamed Berkshire Hathaway Energy in 2014.

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