Tue, 10/03/2023 - 06:33 Tech Insider Warren Buffett.Dennis Van Tine/AP Tags Markets, mi-exclusive, Markets, Stocks, warren-buffett, berkshire-hathaway, HP, hewlett-packard, PC, printers, tech-stocks, stock-portfolio Source Warren Buffett's Berkshire Hathaway has now cashed in $540 million of HP stock …