On June 12, United Microelectronics rose 3.29% in regular trading, trading at $21.34/share, with turnover of $59.41 million, extending its recent rebound momentum.

On the news front, UMC's embedded Deep Trench Capacitor (DTC) technology has successfully entered Qualcomm's supply chain and begun shipping, marking a significant milestone in advanced packaging. The technology addresses critical instantaneous power delivery challenges for AI chips and edge AI devices including AI PCs, smartphones, and smart glasses. Industry analysts noted the high technical barriers and long customer verification cycles create stable supply relationships once established.

Fundamentally, UMC reported Q1 net profit surging 108% year-over-year to NT$16.17 billion, while May revenue grew 17.8% to NT$22.94 billion. The company has confirmed selective price hikes of approximately 10% in the second half, providing further earnings growth visibility. Masterlink Securities previously upgraded UMC from hold to buy with a target price of NT$135. The broader semiconductor sector also provided support, with Intel up 4.08% and AMD up 5.89%. After a cumulative pullback exceeding 15% on elevated valuations, multiple positive catalysts have attracted capital inflows.

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