United Microelectronics is trading 4.39% lower at $20.50 amid a broader semiconductor sell-off.
- Its October 14 close fell 4.42% to $21.40.
- Reuters reported global technology-sector pressure reaching Asian markets and U.S. Nasdaq futures, as hotter U.S. inflation revived rate concerns and investors questioned the cost and durability of AI infrastructure spending.
- Company-specific news appears limited; UMC’s third-quarter investor conference is scheduled for October 28.