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 stock closed at a record $77.55 Monday, up nearly 10%, after winning an $816 million U.S. Space Development Agency contract and completing its 21st successful Electron launch of 2025. Shares fell to $72.67 in after-hours trading, down 6.29% on heavy volume.