The Detroit carmaker is creating a domestic supply base to make EVs cheaper and profitable aided by Kurt Kelty, who landed Tesla’s top battery supplier in its early days.

Tesla reported fourth-quarter revenue and adjusted profit below analysts' estimates. Shares initially fell and then rose after the results' release.

Tesla shares have become a vehicle for investors to wager on Musk himself, rather than the company. That has advantages, but also poses risks.

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.

Elon Musk said Tesla will begin launching unsupervised self-driving models in Austin, Texas by June and several other U.S. cities by the end of 2025.