United Microelectronics is trading 10.5% up at $21.07 after Nvidia’s August 27 forecast reinforced confidence in sustained AI-chip demand and sparked a broad semiconductor rally.

  • The move appears sector-driven rather than company-specific.
  • Stronger demand expectations for advanced packaging and AI infrastructure are also supporting semiconductor sentiment.
  • Latest results were released July 29; the next earnings report is scheduled for October 28, 2026. Confidence is medium because the pre-market price comes from supplied alert data, while external coverage confirms the broader catalyst.