UMC United Microelectronics
Company Analysis
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🔴 United Microelectronics is trading 4.6% down today extending a recent multi-day pullback
United Microelectronics is trading at $19.92 (4.6% down) in pre-market, extending a sharp pullback seen over the past week amid broader semiconductor and...
🟢 United Microelectronics is trading 4% up today as semiconductor stocks rebound on AI optimism and bargain-hunting
United Microelectronics is trading 4% up at $21.12 as part of a broad semiconductor rebound driven by renewed AI optimism and sector bargain-hunting following...
🟢 United Microelectronics is trading 4.4% up today as semiconductor stocks rebound on AI optimism
United Microelectronics is trading at $21.19 (4.4% up) as semiconductor stocks rebound sharply from last week’s selloff. • The sector-wide rally is being...
🔴 United Microelectronics is trading 4% down today as TSMC capex forecast pressures chip sector
United Microelectronics is trading at $20.40 (-4.00%) as semiconductor shares remain under pressure following TSMC’s higher capital-spending forecast and...
🔴 United Microelectronics is trading 6.02% down today amid a broader semiconductor rout and TSMC capex concerns
United Microelectronics is trading at $19.97 (-6.02%) as a sharp semiconductor rout carries over from the previous session. • The stock is being pressured by...
🔴 United Microelectronics is trading 8.8% down today as TSMC's spending forecast sparks sector-wide cost concerns
United Microelectronics is trading 8.8% down at $20.36 today, moving in tandem with a broad semiconductor sell-off following a sharp drop from the prior...
🔴 United Microelectronics is trading 6% down today amid a broader semiconductor and AI sector sell-off
United Microelectronics is trading 6% down at $20.95 in pre-market trading as part of a broader pullback in semiconductor and AI-related shares following...
🔴 United Microelectronics is trading 10.1% down
United Microelectronics is trading at $22.41, down 10.1% from a comparison close of $24.92 during regular trading. This is a price-action follow-up, so a...
🔴 United Microelectronics is trading 8.8% down today amid a broader semiconductor selloff and profit-taking
United Microelectronics is trading 8.8% down at $22.55 as the semiconductor sector faces pressure from valuation and profit-taking concerns. • The decline...
🔴 United Microelectronics is trading 10.1% down
United Microelectronics is trading at $22.40, down 10.1% from a comparison close of $24.92 during pre-market. This is a price-action follow-up, so a separate...
🔴 United Microelectronics is trading 4% down today on profit-taking after an AI-driven rally
United Microelectronics is trading at $23.92 (4% down) today as the stock undergoes a period of normalization and profit-taking following a significant...
UMC's Silicon Photonics Bet Pays Off With a 7% Pop, but Can a Foundry Known for Older Chips Really Compete in the AI Race?
Shares of United Microelectronics surged 7.1% to $25.53 after the Taiwanese foundry announced it had shipped its first mass-production silicon photonics wafers...
🟢 United Microelectronics is trading 7.1% up today on AI silicon photonics production milestone
United Microelectronics is trading 7.1% up at $25.53 after announcing a major silicon photonics mass-production milestone with SILITH Technology. • The...
🟢 United Microelectronics is trading 5.96% up today after AI photonics mass-production milestone
United Microelectronics is trading at $25.26 (+5.96%) in pre-market after announcing a silicon photonics mass-production milestone with SILITH Technology. •...
🟢 United Microelectronics is trading 4.1% up today on AI photonics mass-production milestone
United Microelectronics is trading 4.1% up at $24.42 after announcing a major silicon photonics mass-production milestone with SILITH Technology. • The...
UMC and SILITH launch 1.6T silicon photonics for AI data centers
United Microelectronics Corporation (UMC) and SILITH Technology delivered the first mass-production photonic integrated circuits from UMC's 12-inch Singapore...
🔴 United Microelectronics is trading 5.18% down today amid a broad semiconductor sell-off fueled by geopolitical risks
United Microelectronics is trading at $23.12 (-5.18%) as the semiconductor sector faces significant downward pressure. • The broader SOXX index has dropped...
United Microelectronics sees positive analyst commentary on strong Q2 sales and demand trends
United Microelectronics achieved a new level of sales in the second quarter of 2026. Wedbush Securities analysts view UMC's performance as part of a broader...
UMC Shares Sink 8%, Hit by Broader Chip Sector Selloff
United Microelectronics (UMC) reported second-quarter 2026 revenue of approximately NT$69 billion. This figure represents a 13% sequential increase and a 17%...
🟢 UMC extends move to 6.1% up
UMC is trading at $24.84, up 6.1% versus the comparison close of $23.42 during regular trading. This is a price-movement alert; no separate company-specific...