UMC United Microelectronics
Company Analysis
Latest News
🔴 United Microelectronics is trading 4.2% down today amid broader tech weakness and risk-off sentiment
United Microelectronics is trading at $19.07, down 4.16%, amid a broader risk-off market backdrop; no company-specific announcement clearly explains the...
🔴 United Microelectronics falls 4.2% — Semiconductor Stocks Extend Losing Streak on Rate-Hike Fears and New China Export Curbs
With Chips / semis (SOXX) down 2.7%, this looks like a sector-led move rather than a company-specific surprise. The semiconductor sector, as measured by the...
🔴 United Microelectronics is trading 4.39% down on October 15, 2026, amid a global semiconductor sell-off
United Microelectronics is trading 4.39% lower at $20.50 amid a broader semiconductor sell-off. - Its October 14 close fell 4.42% to $21.40. - Reuters...
🔴 United Microelectronics falls 4.2% — Semiconductor Stocks Decline on Macroeconomic Headwinds
With Chips / semis (SOXX) down 2.7%, this looks like a sector-led move rather than a company-specific surprise. The semiconductor sector is experiencing a...
🔴 United Microelectronics falls 4.1% — Semiconductor Stocks Fall on China Competition Fears and AI Concerns
With Chips / semis (SOXX) down 2.5%, this looks like a sector-led move rather than a company-specific surprise. The semiconductor sector is experiencing a...
UMC's $1.8 Billion Bond Gamble: Smart Capacity Play or a Warning Sign for Shareholders?
Shares of United Microelectronics Corporation plunged 10.5% to $23.50 on October 5 after the Taiwanese chipmaker disclosed a $1.8 billion dual-tranche...
🔴 United Microelectronics is trading 11% down today after announcing a $1.8 billion dual-tranche convertible-bond offering
United Microelectronics is trading 10.54% lower at $23.50 after announcing a $1.8 billion dual-tranche convertible-bond offering. - The zero-coupon notes may...
🔴 United Microelectronics is trading 9.7% down
United Microelectronics is trading at $23.73 (-9.69%); no verified company-specific catalyst has been identified for the October 5, 2026 decline. - The...
🔴 United Microelectronics is trading 8% down in pre-market with no clear catalyst identified
United Microelectronics is trading at $24.17, down 7.99% in pre-market, with no verified company-specific announcement or clear catalyst found for the October...
🟢 United Microelectronics is trading 4.3% up today as Micron’s results and outlook fuel AI-chip optimism
United Microelectronics is trading 4.26% up at $26.29 on October 2, 2026, as semiconductor shares rally after Micron’s strong results and outlook reinforced...
🟢 United Microelectronics is trading 4.3% up with no identified catalyst
United Microelectronics is trading at $24.89, up 4.34% on September 29, 2026, with no verified catalyst identified for the gain. - The semiconductor sector is...
🔴 United Microelectronics is trading 4% down today as risk-off sentiment weighs on technology shares
United Microelectronics is trading 4.04% lower now at $24.73 after opening-market weakness on September 23, 2026, amid broad risk-off pressure on technology...
🟢 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,...