AIXTRON is trading 4.02% up at €36.23 after Amundi disclosed a 3.07% voting-rights stake.
- The disclosure represents 3,487,588 shares.
- Broader semiconductor strength, rallying chipmakers and improving global equity sentiment also supported the move.
- Major indices were higher in the provided market context; no new earnings release or major operational announcement was identified for September 21, 2026.