Warren Buffett's Berkshire Hathaway has likely scored a 93% gain on Nubank stock this year, making the crypto-friendly bank its best performer

Warren Buffett's Berkshire Hathaway has likely scored a 93% gain on Nubank stock this year, making the crypto-friendly bank its best performer

Warren Buffett.Getty Images / Bill Pugliano <ul> <li>Berkshire Hathaway's best-performing stock this year is likely Nubank-owner Nu Holdings, up 93%.</li> <li>Warren Buffett's company invested in th… [+2527 chars]

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