UMC is trading 4.2% up at $25.36 today, fueled by a 22.9% increase in June 2026 revenue and continued optimism surrounding its foundry partnership with Intel and advanced chip technologies. - The company reported unaudited net sales of NT$23.1 billion for June 2026, marking a significant year-over-year increase. - Positive sentiment persists regarding UMC's 12nm, 3nm, and 14nm FinFET display-driver developments, which are expected to bolster its position in the AI and smartphone chip markets.