Investors Shrug at Tesla's Upgrade

  • Shares give back half of gain after company reveals plan
  • Musk sees electric car becoming world’s fastest as ‘milestone’

Musk Adds More Powerful Battery to Tesla Models

Tesla Motors Inc.’s announcement that a new version of its Model S sedan will be the fastest car in the world is sure to impress sports car buffs, but investors shrugged when they saw the details.

To continue reading this article you must be a Bloomberg Professional Service Subscriber.