Rocket Lab is trading at €58.90, up +4.25%, after announcing its IMM Apex, a high-efficiency, germanium-free solar cell, on September 8, 2026.

  • The product reduces reliance on supply-constrained critical minerals.
  • It offers improved space-power economics.
  • The company-specific product release appears the clearest catalyst; broader markets were largely flat, making general market sentiment a weaker explanation.