Why Tesla (TSLA) rose 1.82%
Tesla (TSLA) rose 1.82% on September 21, 2026 — Tesla-SpaceX merger speculation reshapes valuation.
What happened
Dan Ives at Wedbush assigned an 80% probability to a Tesla-SpaceX merger, calling it a potential path to the world's largest company by market cap.
Why it moved
A merger would combine Tesla's physical AI/autonomy roadmap with SpaceX's capital intensity, satellite infrastructure, and tech cachet — Ives argues this optionality justifies a re-rating of Tesla's multiple beyond EV…
Why it matters
This ties into the Robotaxi, EV & Physical AI theme: a Tesla-SpaceX union would exponentially expand the addressable market and position Tesla as a multi-vector AI/infrastructure giant rather than a car company.
What would break the thesis
The merger is speculative and structurally complex (cross-holding issues, regulatory scrutiny, SpaceX's private status); without formal board action, financing structure, or regulatory clarity, the thesis remains a…