United Microelectronics is trading at $17.20, down -6.82%, as renewed concerns about AI spending weigh on semiconductor stocks.

  • After-hours results and forecasts from Amazon and Intel added selling pressure following Alphabet’s earnings-related decline.
  • The company’s recent report showed strong quarterly revenue and utilization; Q4 guidance called for low-single-digit shipment growth and stable ASPs.
  • Available reporting does not establish a new company-specific announcement behind the October 30 move.