BYD stock plummets on fears Warren Buffett's Berkshire Hathaway may dump its position in the Chinese EV maker 42 minutes ago - By [Business Insider] Warren Buffett. Paul Morigi/Getty Images Shares of Chinese electric car maker BYD plummeted Tuesday on fears Berkshire Hathaway may be selling its position. About 225 million shares appeared in the Hong Kong stock exchange clearing system, matching Warren Buffett's holdings. BYD stock listed in Hong Kong dived 12%, and US-listed shares that trade over the counter tumbled 11%. Shares of Chinese electric car giant BYD fell Tuesday on fears that Warren Buffet's Berkshire Hathaway could...