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

Tesla Inc (NASDAQ: TSLA) shares surged 4% in after-hours trading despite missing Wall Streets fourth-quarter revenue estimates. The electric vehicle (EV) giant reported revenue of $25.71 billion, below