Electric vehicle company BYD Co BYDDF BYDDY is launching the first electric vehicle to come with a starting price under $30,000 in Australia, a move that could boost the country's electric vehicle market.What Happened: Along with investing in blue-chip U.S. companies, Berkshire Hathaway Inc BRK BRK CEO Warren Buffett has recognized the investment opportunity in emerging markets.One of Buffett's investments is owning a stake in Chinese company BYD, a global leader in electric vehicle. While Buffett has sold ...