It’s hard to fault a CEO who grows a company beyond $1 trillion in value. Elon Musk managed the feat by upending the automotive market with Tesla’s electric vehicles and extended its lead with broader battery power.

While the initial testing will use Tesla's own fleet of cars, regular customers may be able to add their cars to the ride-hailing fleet next year, Musk says.

Tesla's fourth-quarter and full-year earnings day is here — a highly anticipated report that is expected to be released after market close Wednesday.

With Tesla set to release its latest quarterly earnings report, Wall Street thinks the stock can keep rising on a "golden age" for automation and AI.