Applied Optoelectronics is trading 6.7% up at $125.03, with renewed buying across AI optical-networking stocks providing the clearest reported context.

  • The move included peers Lumentum and Coherent amid a tech-led rally.
  • On October 5, the company completed its previously disclosed $600 million at-the-market offering; reports did not link it to the gain.
  • The Nasdaq was up 0.51%, supporting a broader risk-on backdrop.