United Microelectronics (UMC) saw its stock price soar 16.30% during intraday trading on Monday, marking a significant upward movement for the semiconductor company.

The rally appears to be driven by multiple positive catalysts converging. Market reports indicated a potential collaboration between UMC and Intel to jointly develop 3nm and 12nm process technologies, which would allow UMC to enter the advanced node segment without major capital expenditure. Additionally, the company's embedded Deep Trench Capacitor (DTC) technology has successfully entered Qualcomm's supply chain and begun shipments. These developments are layered on top of strong first-quarter fundamentals, where the company reported net profit surging 108% year-over-year, alongside expectations of selective price hikes in the second half of the year.

While UMC later issued a clarification stating it does not comment on speculative reports regarding the Intel partnership, the market sentiment remained overwhelmingly positive, with the convergence of these technological and financial catalysts driving substantial investor interest and capital inflows into the stock during the session.