Tesla's stock has tumbled 43% since President Trump was inaugurated. In comparison, the U.S.-listed shares of China-based BYD Co. Ltd. (BYDDY), which is by far China's biggest new-energy vehicle ...

Tesla Inc.’s sales started slowing even before Chief Executive Officer Elon Musk really threw his weight around in US ...

Some of the first-quarter slowdowns may be due to customers waiting for the updated version of the car. Refreshes for Tesla's ...