Thu, 10/12/2023 - 06:28 Tech Insider Crypto Warren Buffett.Getty Images / Bill Pugliano Tags Markets, mi-exclusive, Markets, Stocks, warren-buffett, berkshire-hathaway, nu-holdings, Bitcoin, crypto, stock-portfolio, Sequoia, todd-combs, ted-weschler, Banking, digital-payments Source Warren Buffett's Berkshire Hathaway has likely scored a 93% gain on Nubank stoc…