United Microelectronics (UMC) stock surged 6.03% during the night session, marking a significant upward movement for the semiconductor company.

The price increase appears driven by multiple positive catalysts. Intel and UMC have reportedly reached a partnership to co-develop 3nm and 12nm process technologies, with production lines planned at Intel's Arizona facility. Additionally, UMC's embedded Deep Trench Capacitor technology has successfully entered Qualcomm's supply chain and begun shipments.

Fundamental factors are also supporting the stock, with the company reporting Q1 net profit surging 108% year-over-year and market expectations of selective price hikes of approximately 10% in the second half of the year further bolstering the earnings outlook.