Shares of United Microelectronics Corporation ( UMC ), one of the world's largest independent semiconductor foundries, ...

The stock dropped $1.72 to finish the day at $17.36. This marked its fourth consecutive decline, including a 7% drop last Thursday.

United Microelectronics Corporation (NYSE:UMC) is one of the Best Semiconductor Stocks to Buy Under $20. On July 30, the company released its Q2 2025 results, with the utilization rate rising to 76% ...

United Microelectronics (UMC) reported unaudited consolidated net sales of NT$23.84B for July 2026, marking an 18.98% ...

A new AI framework will link atomic-scale defects to device performance, helping researchers detect failures earlier and ...

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United Microelectronics Corporation UMC used its second-quarter 2026 earnings call to emphasize AI-driven growth ...

UMC beats Q2 estimates as revenues rise 8.4%, margins expand and record 22-nanometer sales strengthen results.

Add Yahoo as a preferred source to see more of our stories on Google. The “Unfinished Block P” on Purdue University's campus in West Lafayette, Indiana. The Department of Defense has increased funding ...

Engineers from Taiwan's United Microelectronics Corp push trollies in one of the company's factories. Taiwan is one of the top producers of microelectronics technology. (Sam Yeh/AFP via Getty Images) ...