Rocket Lab Stock (RKLB) Slides After Hours After Record Close on $816M Space Force Satellite Deal — What to Know Before the Dec. 23 Market Open
Rocket Lab Corporation (Nasdaq: RKLB) put on another headline-grabbing performance Monday, December 22, 2025—then turned volatile again after the closing bell. In regular trading, Rocket Lab stock closed at $77.55, up 9.97%, extending Friday’s surge and printing a new record