United Microelectronics is trading at $19.85 (4.8%) up in pre-market as investors extend a strong post-earnings rally following a 161% profit surge and improved factory utilization.
- The company's recent financial results highlighted significant growth and operational efficiency, driving sustained buying pressure.
- The gains are further supported by a broader semiconductor sector recovery, fueled by renewed confidence in AI infrastructure spending and solid earnings from large-cap tech peers.