UMC jumps as March sales rise 4.89% and 2026 demand outlook steadies

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United Microelectronic Corp. shares are rising after the company reported March 2026 unaudited net sales of NT$20.83 billion, up 4.89% year over year, with year-to-date net sales up 5.49% to NT$61.04 billion. The update reinforced expectations that demand is holding up for UMC’s mature-node foundry capacity.

1. What’s driving UMC today

United Microelectronic Corp. is moving higher as investors react to the company’s latest monthly operating update for March 2026. UMC reported unaudited March net sales of NT$20.83 billion, up 4.89% from March 2025, and said year-to-date net sales reached NT$61.04 billion, up 5.49%, pointing to steady demand for its foundry services. (tipranks.com)

2. Why the numbers matter

Monthly sales prints can quickly shift sentiment for foundries focused on mature and specialty nodes, where utilization and pricing can be sensitive to incremental end-demand changes. The year-over-year acceleration in March and the positive year-to-date comparison helped support the view that UMC’s order environment is stable as 2026 begins. (tipranks.com)

3. What to watch next

Investors will be focused on upcoming management updates and any revisions to utilization, margin, and capital spending expectations as 2026 progresses. UMC previously guided a 2026 cash-based capex budget of about US$1.5 billion, and any change in spending pace or customer mix could impact the stock’s next leg. (finance.yahoo.com)