Rocket Lab (RKLB) Stock After Hours Today: Space Force STP-S30 Launch Sparks a Late Bid — What to Know Before the Market Opens Dec. 19, 2025
Rocket Lab shares jumped 11.05% to $59.92 Thursday after the company launched the STP‑S30 mission for the U.S. Space Force five months ahead of schedule. The Electron rocket lifted off from Wallops Island at 12:03 a.m. ET, deploying four DiskSat spacecraft. After-hours trading pushed the stock near $60.74. The mission had originally been planned for spring 2026.