What's Going On With United Microelectronics Stock Today?
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Mar 06 2025
0mins
Source: Benzinga
UMC Sales Performance: United Microelectronics Corporation (UMC) reported a 4.25% year-over-year increase in February sales, totaling NT$18.193 billion, while combined net sales for January and February reached NT$38 billion, also up 4.21% year-over-year.
Market Outlook and Stock Performance: Despite the positive sales growth, UMC shares are down 2.65% in premarket trading, reflecting a 14% decline over the past year; the company anticipates flat wafer shipments and a decrease in average selling prices in the first quarter.
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Analyst Views on UMC
Wall Street analysts forecast UMC stock price to fall
2 Analyst Rating
0 Buy
0 Hold
2 Sell
Moderate Sell
Current: 21.620
Low
4.80
Averages
5.50
High
6.20
Current: 21.620
Low
4.80
Averages
5.50
High
6.20
About UMC
United Microelectronics Corp is a global semiconductor foundry. The Company provides integrated circuit (IC) production for applications spanning every sector of the electronics industry. The Company operates through two segments. The Wafer Fabrication segment is mainly engaged in the manufacture of chips to the design specifications of its customers by using its own processes and techniques. The New Business segment is engaged in the research, development, manufacture and provision of solar energy. The Company is engaged in the maintenance of a customer base across various industries, including communication, consumer electronics, computer, memory, new generation light-emitting diode (LED) and others, while focusing on manufacturing for applications, including networking, telecommunications, Internet, multimedia, personal computers (PCs) and graphics.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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- Significant Sales Growth: United Microelectronics reported sales of NT$22.94 billion in May 2026, a 17.78% increase from NT$19.48 billion in May 2025, reflecting strong demand in the semiconductor foundry sector and reinforcing its market position.
- Stable Month-over-Month Growth: May's revenue marked a 1.23% increase from NT$22.66 billion in April 2026, demonstrating the company's ability to sustain growth in the short term, which is likely to boost investor confidence.
- Strong Cumulative Sales Performance: Year-to-date consolidated net sales from January to May 2026 totaled NT$106.65 billion, climbing 9.05% year-over-year from NT$97.79 billion in the same period last year, indicating enhanced competitiveness in the market.
- Improved Market Expectations: As sales performance improves, market perceptions of United Microelectronics are shifting, with the company no longer viewed as a sleepy mature-node foundry, suggesting potential investment opportunities and growth prospects ahead.
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- Sales Growth: In May 2026, United Microelectronics Corporation reported unaudited net sales of NT$22,943,755, marking a 17.78% increase from NT$19,480,057 in May 2025, indicating strong market performance.
- Year-to-Date Sales: Cumulative sales from January to May 2026 reached NT$106,645,602, up 9.05% from NT$97,793,544 in the same period of 2025, reflecting the company's ongoing positive trend in annual performance and stable market demand.
- Market Performance Analysis: The sales growth of UMC not only highlights its competitive edge in the semiconductor market but may also attract more investor interest, further enhancing the company's position within the industry.
- Future Outlook: With the continued global demand for semiconductors, UMC is poised to maintain strong sales momentum in the future, potentially delivering higher returns for shareholders.
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- Stock Surge: United Microelectronics reached an all-time high of $21.51 during Tuesday's trading, closing up 15.70% at $21.08, reflecting investor confidence in its expansion plans.
- Asset Acquisition: The company disclosed in a regulatory filing on the Taiwan Stock Exchange that it acquired NT$1.03 billion ($31.9 million) worth of machinery and equipment from Japan's Tokyo Electron to enhance its manufacturing capabilities, further driving business growth.
- Market Engagement: United Microelectronics is set to participate in the Asia AI Summit by Morgan Stanley on May 29 and Citi's Taiwan Tech Conference on June 5, with investors eagerly anticipating updates and outlooks that could further boost the stock price.
- New Technology Platform: The company unveiled its new display driver IC technology platform, the 14nm eHV FinFET, which can reduce power consumption by 40% and chip area by 35%, enhancing battery life and module thinness for premium smartphones, thereby strengthening its market competitiveness.
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