RKLB ▲ +2.5% - Rocket Lab Corporation $RKLB Rocket Lab: Launches Germanium-Free High-Efficiency Solar Cell for Space Applications ? • IMM Apex delivers 31.5% beginning-of-life efficiency with 40% lower cell mass. • Germanium-free design reduces critical-mineral supply and cost exposure and works as a drop-in replacement for existing systems. • Rocket Lab says IMM technology already powers 1,100+ satellites, with Apex available now at multi-hundred-kilowatt manufacturing scale. Rocket Lab shares rose 2.5% following the company's announcement of its new IMM Apex solar cell, which achieves 31.5% efficiency while reducing weight by 40% and eliminating dependence on germanium, a critical mineral. The germanium-free design positions Rocket Lab as a supplier of differentiated technology for satellite operators seeking to lower costs and supply-chain risk, with the company already powering over 1,100 satellites and now offering the new product at scale. 08-SEP-2026 04:24 PM ET