Tesla is a low-margin automaker that trades at the valuation of a disruptive tech company. That's because of its leadership in electric vehicles and Musk's promises around autonomy, but Tesla stock could have a long way to fall if the autonomous transition doesn't pan out, especially after the stock just surged on its third-quarter earnings report.

Handwritten physics homework from Elon Musk's time at the University of Pennsylvania recently surfaced online. The homework, shared on X, features detailed calculations related to moments of inertia.