RKLB Stock Rises Overnight: Rocket Lab Completes Major Engine Test Ahead of Neutron’s First Launch

The company said its AVac engine delivers 1.2 times the thrust of the first-stage version and uses a taller vacuum-optimized ...

Rocket Lab stock climbs nearly 3% in pre-market trading after critical Neutron engine test

Rocket Lab Corp. RKLB completed a full-duration hot-fire test of its Archimedes Vacuum engine on Monday, marking a critical ...