Tesla Market Value Rises to $20 Billion on Electric-Car Optimism

Tesla Market Value Rises to $20 Billion on Electric-Car Optimism

Patrick T. Fallon/Bloomberg

Tesla Motors Inc.’s Model S was named 2013 Car of the Year by Motor Trend magazine; Consumer Reports in a May review rated it among the best it’s ever tested; and this month the company said the model received top crash and safety ratings in tests by the U.S. National Highway Traffic Safety Administration.