STMicroelectronics is trading 5.03% up now at €49.04, after a broad semiconductor rally linked to renewed confidence in durable AI infrastructure spending.

  • Anthropic’s sharply higher revenue growth reinforced expectations for continued demand for chips, memory, networking, and data-center hardware.
  • European semiconductor peers also advanced, with STMicroelectronics reported up 3.9% during the August 17, 2026 session.
  • No stronger company-specific catalyst was identified.