Zoom out. Even after Friday's drop, Nu has soared 69% this year. Go back further, and you'll see the stock has soared 245% since the start of last year. Buffett owns 20.7 million fewer shares now, but the value of his Nu stake is 56% higher than it was at start of this year and a beefy 197% greater than it was a year earlier.

Despite his immense wealth, Warren Buffett, as he admits, is a man of simple tastes. Perhaps that focus on basic American food staples inspired one of the more unexpected new buys from his investment vehicle Berkshire Hathaway (NYSE: BRK.

Warren Buffett’s Berkshire Hathaway established new positions in consumer companies Domino’s Pizza and Pool Corp. while mostly selling stocks in the third quarter. The Omaha, Neb., company also slashed its recently established stake in Ulta Beauty and cut its holdings of Capital One Financial and Charter Communications,