ASTS Stock Jumps Overnight: Rakuten CEO Calls AST Satellite Push ‘Critical’ For Japan Security Amid SpaceX Rivalry
AST SpaceMobile (ASTS) shares rose 2% after Rakuten announced a joint venture to operate satellites for direct-to-mobile service in Japan, challenging SpaceX Starlink-backed rivals. The JV aims for nationwide coverage by fiscal 2027, with Rakuten considering a global rollout. ASTS stock has gained 45% over the past year, despite recent losses. Rakuten CEO Hiroshi Mikitani emphasized the importance of Japanese capital in the project, which is also bidding for Japan's J-LEO satellite communication
How this was made

The 30-second read
Why it matters
The joint venture creates a new revenue avenue for ASTS and positions it as a domestic alternative to SpaceX's Starlink, potentially unlocking market share in Japan and future global expansion.
Market read
The announcement is a fresh, material development that moved ASTS stock and could reshape the satellite‑to‑mobile landscape in Japan and beyond.
What to watch
The partnership’s financial commitment is vague; regulatory approvals and launch timelines could introduce risk.
Background
AST SpaceMobile is a U.S. listed satellite communications company seeking to provide direct-to‑mobile services via LEO satellites. Rakuten is a major Japanese e‑commerce and telecom conglomerate.
Ticker impact
Rakuten announced a 50-50 joint venture with AST SpaceMobile to launch direct-to-mobile satellites in Japan, causing ASTS shares to jump 2% overnight.
Potential upside of 5‑10% over the next few weeks as the JV progresses.
The JV provides a new revenue stream and positions ASTS against SpaceX-backed rivals, but investment size is undisclosed.
Market effects
Strengthens the satellite‑to‑mobile niche and may pressure competitors like KDDI, SoftBank and NTT Docomo.
Highlights Japan's push for a domestically controlled LEO network, influencing local telecom equities.
Adds another player to the global direct‑to‑device satellite race, potentially affecting SpaceX Starlink sentiment.
Counterpoint
If the JV fails to secure the J‑LEO subsidy or faces technical delays, the stock could underperform despite the short‑term rally.
Key entities
- CompanyRakuten Group
Japanese technology conglomerate forming a 50‑50 JV with ASTS.
- CompanyAST SpaceMobile
U.S. satellite operator developing direct‑to‑mobile LEO satellites.


