RKLB ▼ -5.0% - Rocket Lab Corporation $RKLB - MISSION SUCCESS: Rocket Lab Launches 96th Electron Mission Rocket Lab's stock fell 5.0% today despite successfully completing its 96th Electron mission launch. The decline suggests investors may have already priced in the company's regular launch cadence, or broader market conditions outweighed positive operational news. 19-SEP-2026 12:52 AM ET