Chinese electric car company BYD slides on speculation Buffett is reducing stake Contributors Jul 12, 2022 12:10PM EDT Credit: REUTERS/SUN YILEI BYD Co shares sank nearly 12% on Tuesday after a large stake matching the size of Berkshire Hathaway Inc's investment in the Chinese electric car company appeared in Hong Kong's clearing system. R ecasts first paragraph, adds details on Berkshire stake July 12 (Reuters) – BYD Co 1211.HK shares sank nearly 12% on Tuesday after a large stake matching the size of Berkshire Hathaway Inc's BRKa.N investment in the Chinese electric car company appeared in Hong Kong's clearing system….