Tesla reports earnings this week—and it’ll be a big deal for Wall Street. It always is. The electric vehicle maker’s fourth-quarter report comes after Wednesday’s closing bell. And investors should brace for volatility.

Tesla stock is up 100% in the last 12 months, and the company reports earnings on Jan. 29. The EV maker is seeing delivery growth stall. It has ambitious plans for new technological innovations but has little to show for it right now.

Key Takeaways Tesla is scheduled to post its fourth-quarter earnings report after the market closes Wednesday, with revenue expected to rise from the same time last year.Earlier this month, Tesla recorded its first year-over-year decline in full-year vehicle deliveries in the company's history.