EarthTechlingTesla stock surges 21 percent on Morgan Stanley upgradeReutersDETROIT (Reuters) - Shares in electric automaker Tesla Motors Corp on Thursday surged as much as 21 percent after Morgan Stanley upgraded the stock, saying the market for electric vehicles is underestimated. Morgan Stanley upgraded Tesla to ...Tesla Shares Cruise After Obama Backs Clean-Fuel CarsWall Street JournalTesla Surges as Morgan Stanley Says Electric Cars Will GainBloombergBay Biz Buzz: Tesla shares jump nearly 20 percentSan Jose Mercury NewsThe Business Insider -EarthTechling -Barron's (blog)all 38 news articles »