Winbond Electronics is trading at TWD 159.50, up 4.59% on October 22, 2026, likely amid a broader semiconductor rebound; no confirmed company-specific announcement explaining the move was identified.
- Chip shares rallied with renewed AI optimism following positive results and outlooks from SpaceX and Super Micro Computer.
- The Philadelphia Semiconductor index rose on October 21, while Asian chipmakers also rebounded.