Telsa (NASDAQ:TSLA) this week reported a dismal quarterly performance, but investors still rewarded the stock after top boss Elon Musk promised to return his focus to the company from his government advisory role and said the firm's robotaxi and artificial intelligence ambitions remained on track.

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

I'll continue to advocate for lower tariffs rather than higher tariffs, but that's all I can do,” Musk said about Trump’s tariffs.