UMC United Microelectronics
Company Analysis
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🟢 United Microelectronics rises 4.0% — Semiconductor Stocks Rally on Company-Specific News and Improved Market Sentiment
With Chips / semis (SOXX) up 2.6%, this looks like a sector-led move rather than a company-specific surprise. The semiconductor sector is experiencing a...
UMC CFO Offloads 1.6 Million Shares in Two-Day Sale
United Microelectronics Chief Financial Officer Liu Chitung sold 1.6 million shares on September 16 and 17, 2026. Liu sold 1.2 million shares at an average...
🟢 United Microelectronics rises 5.9% — Semiconductor stocks rally on renewed AI optimism and sector-specific news
With Chips / semis (SOXX) up 2.8%, this looks like a sector-led move rather than a company-specific surprise. The semiconductor sector is experiencing a...
🟢 United Microelectronics is trading 5.1% up
United Microelectronics is trading at $22.71, up 5.1% from a comparison close of $21.61 during regular trading. This is a price-action follow-up, so a separate...
🟢 United Microelectronics is trading 4.4% up today after August revenue hit a four-year high
United Microelectronics is trading 4.4% up now at $22.66 after investors focused on a strong August operating update. - August revenue increased 30.71% year...
🟢 United Microelectronics is trading 4.12% up in pre-market after August revenue rose 30.7% year over year
United Microelectronics is trading 4.12% up at $22.50 after a robust August operating update showed revenue rising 30.7% year over year. - August was its...
🔴 United Microelectronics falls 4.9% — Semiconductor Stocks Fall on AI Development Slowdown Concerns
With Chips / semis (SOXX) down 4.1%, this looks like a sector-led move rather than a company-specific surprise. Chip stocks are experiencing a significant...
🟢 United Microelectronics is trading 4.7% up today as Asian semiconductor shares rally
United Microelectronics is trading 4.7% up at $21.74, appearing primarily sector-driven amid a broader semiconductor-sector rally. - It opened on September 8,...
🟢 United Microelectronics is trading 5.4% up
United Microelectronics is trading at $21.90, up 5.4% from a comparison close of $20.77 during pre-market. This is a price-action follow-up, so a separate...
UMC's August Revenue Jumps 31% — But Can a Mature-Chip Foundry Keep This Momentum in an AI-Obsessed Market?
Shares surged as United Microelectronics reported a surprisingly strong August, raising fresh questions about whether the world's third-largest contract...
🟢 United Microelectronics is trading 4.07% up in pre-market after August revenue rose 30.71% year over year
United Microelectronics is trading at $21.70, up 4.07% in pre-market on September 8, 2026, after reporting August revenue of NT$25.04 billion, up 30.71% year...
🟢 United Microelectronics is trading 4.07% up in pre-market
UMC is trading at $21.62, up 4.07% in pre-market.
🟢 United Microelectronics is trading 4.1% up today after August sales rose 30.71% year over year
United Microelectronics is trading 4.1% up now at $20.68 after reporting strong August 2026 net sales growth. - August net sales reached NT$25.04 billion, up...
🔴 United Microelectronics is trading 4.5% down in pre-market amid weaker technology sentiment
United Microelectronics is trading 4.5% down at $19.55 after closing at $20.47 on September 1, 2026, amid weaker technology sentiment and broader market...
🟢 United Microelectronics is trading 4.43% up today with no clear catalyst
United Microelectronics is trading 4.43% up at $20.76, with no credible September 1, 2026 company-specific announcement or direct catalyst identified. - The...
🟢 United Microelectronics is trading 4.12% up in pre-market; no clear catalyst identified
United Microelectronics is trading at $20.70 (+4.12%) in pre-market, with no credible September 1, 2026 company-specific announcement or direct catalyst...
🟢 United Microelectronics is trading 6% up today after Nvidia forecast approximately 70% revenue growth
United Microelectronics is trading at $20.22, up +6.03%, benefiting from renewed semiconductor-sector optimism after Nvidia forecast approximately 70% revenue...
🟢 United Microelectronics is trading 10.5% up in pre-market after Nvidia’s August 27 forecast reinforced AI-chip demand
United Microelectronics is trading 10.5% up at $21.07 after Nvidia’s August 27 forecast reinforced confidence in sustained AI-chip demand and sparked a broad...
🟢 United Microelectronics is trading 7.81% up in pre-market after Nvidia’s forecast reinforced AI-chip demand confidence
United Microelectronics is trading 7.81% up in pre-market at $20.56 after a broad semiconductor rally followed Nvidia’s August 27 forecast, which reinforced...
UMC plans $1.8 billion bond sale, funding manufacturing equipment and facilities
United Microelectronics (UMC) approved its seventh series of unsecured overseas convertible bonds. The company aims to raise up to $1.8 billion through the...