A BYD Seal U model car.FABRICE COFFRINI/AFP via Getty ImagesWarren Buffett’s Berkshire Hathaway is no longer a shareholder in Chinese electric vehicle behemoth BYD, ending an investment that first started in 2008 and delivered billions of dollars in returns to the American investment giant.Berkshire Hathaway Energy, the unit that once held shares in Hong Kong- and Shenzhen-listed BYD, marked the value of the company’s stock as zero as of March 2025, according to a filing made in May to the U.S. Securities a ...