Exchange: NYSE·Updated 11:33 PM EDT
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UMCUnited Microelectronics Corporation

$21.78
$0.89
(4.38%)
Today
Closed $21.19
$0.59
(2.78%)
Overnight
EarningsJul 29
Mkt Cap$53.3B
Vol17.37M
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press releases
SILITH and UMC Achieve Mass Production Milestone for Silicon Photonics
SILITH Technology, a silicon photonics fabless company, and United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (UMC), a leading global semiconductor foundry, today announced the first mass-production wafer delivery of photonic ICs from UMCs Singapore fab, advancing the partnership between...
Business Wire
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CFO & SVP At United Microelectronics Sells $294.29M Of Stock
It was reported on July 13, that Chitung Liu, CFO & SVP at United Microelectronics (NYSE:UMC) executed a significant insider sell, according to an SEC filing. What Happened: A Form 4 filing with the U.S. Securitiesread more...
Benzinga
UMC Reports Sales for June 2026
United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (UMC), today reported unaudited net sales for the month of June 2026. Revenues for June 2026 Period 2026 2025 Y/Y Change Y/Y (%) June 23,124,962 18,823,070 4,301,892 22.85% Jan.-June 129,770,564 116,616,614 13,153,950 11.28% (*) All...
Business Wire
Insider Decision: CHEJEN HU Offloads $1.71M Worth Of United Microelectronics Stock
On July 1, a recent SEC filing unveiled that CHEJEN HU, Vice President at United Microelectronics (NYSE:UMC) made an insider sell. What Happened: According to a Form 4 filing with the U.S. Securities and Exchangeread more...
Benzinga
Here's How Much $1000 Invested In United Microelectronics 10 Years Ago Would Be Worth Today
United Microelectronics (NYSE:UMC) has outperformed the market over the past 10 years by 16.41% on an annualized basis producing an average annual return of 30.02%. Currently, United Microelectronics has a marketread more...
Benzinga
Take the Zacks Approach to Beat the Market: Dell, Caterpillar, Amkor in Focus
DELL, CAT and AMKR led standout gains as Zacks highlighted top-performing portfolios amid volatile markets and inflation worries.
Zacks
GFS vs. UMC: Which Semiconductor Foundry Stock Should You Buy Now?
GlobalFoundries and UMC are benefiting from AI, automotive and specialty chip demand as investors compare semiconductor foundry growth.
Zacks
GlobalFoundries' AI Mix Improves: Is 30% Gross Margin Just the Start?
GFS' richer AI infrastructure mix lifts margins in Q1, with silicon photonics, SiGe and data-center demand pointing to a more profitable phase.
Zacks
If You Invested $1000 In United Microelectronics Stock 10 Years Ago, You Would Have This Much Today
read more...
Benzinga
ASE Technology Stock Surges 77.1% in 3 Months: Still a Buy?
ASX stock soars 77.1% in three months, but AI demand, LEAP growth, margin gains and rising estimates keep its upside case alive.
Zacks
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