The stock got a fresh boost on Friday as the US Department of Transportation announced looser rules for self-driving cars.

Elon Musk intends to focus more on his job as Tesla CEO, but it’s unclear if the billionaire will be able to solve a big problem of his own making: damage to its brand

Tesla investors breathed a sigh of relief after CEO Elon Musk said he would refocus his attention on the electric automaker, but that promise did not entirely dispel worries that his right-wing shift had irrevocably damaged the company's brand.