Elon Musk 21 December 2025 - 22 January 2026

Tesla shares climbed 1.3% to $437.16 in early Thursday trading, building on a rebound following comments from CEO Elon Musk. He warned the initial rollout of the Cybercab robotaxi and Optimus humanoid robot would be “agonizingly slow.” Tesla remains on track to begin volume production of the Cybercab in 2026, with Optimus output expected “hopefully” later this year. Much of Tesla’s roughly $1.39 trillion market value hinges on bets around self-driving technology and robotics.

Tesla shares climbed about 1% to $423.32 in early trading Wednesday after CEO Elon Musk warned that initial production of the Cybercab robotaxi and Optimus humanoid robot will be “agonizingly slow” before accelerating. The stock has fluctuated between $417.53 and $424.21 during the session.

Tesla shares dropped 4.2% to $419.25 in early Wednesday trading after CEO Elon Musk warned that initial production of the Cybercab robotaxi and Optimus humanoid robot would be “agonizingly slow” before picking up pace. The company, valued around $1.39 trillion, has pinned much of its future on these ambitious projects to shift investor perception beyond just electric vehicles. Musk explained on X that production speed slows as new parts and processes are introduced; the Cybercab is a two-seater lacking manual controls, with Tesla aiming for volume production by 2026 while testing robotaxi service in Austin using a version of its Full Self-Driving software.