$RKLB vs $SPCX: Contrasting Paths for Rocket Lab and SpaceX in the Space Economy RKLB and SPCX both operate in the space economy, but at very different scales and stages of maturity. Rocket Lab is a fast-scaling launch and space systems provider; SpaceX is the sector's dominant launch and satellite-communications operator and only recently became publicly traded. Rocket Lab's launch backlog surpassed 100 missions after its largest-ever commercial Electron contract, a key near-term catalyst. SpaceX has shown comparatively stable recent price action, reflecting its established launch position and Starlink-driven cash flows.