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.

Elon Musk thinks Tesla could be worth more than the next five most valuable companies combined one day, thanks to autonomous driving and robotics. However, Tesla stock plunged 47% from its record high,

Musk’s management style has always been a lightning rod. His focus on speed and impatience allows him to advance technologies at a breakneck pace.