On August 25, United Microelectronics rose 4.72% in regular trading, trading at $19.98/share, with turnover of $26.28 million. The stock was driven by dual catalysts: accelerating photonic integrated circuit (PIC) business and advancing collaboration with Intel on 12-nanometer process development and manufacturing.

United Microelectronics has successfully delivered its first batch of 12-inch silicon photonics mass-production wafers at its Singapore facility, becoming one of the few foundries globally capable of 12-inch PIC volume production. CEO Jason Wang previously stated the company targets AI-related foundry revenue growth from $3 billion this year to over $10 billion within three years, with silicon photonics as a key growth driver. The board has approved approximately $5 billion in capital expenditure for capacity expansion.

At the industry level, semiconductor silicon wafer prices have risen approximately 10% for the first time in over three years, as AI spillover effects push mature-node processes into a pricing upcycle. United Microelectronics' capacity utilization has exceeded 90%, with some critical chip orders booked through next year.

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