On May 27, United Microelectronics rose 11.29% in regular trading, trading at $23.17/share, with trading volume of approximately $80.77 million.

On the news front, multiple catalysts converged to drive the rally. The company previously reported Q1 net profit surging 108% year-over-year to NT$16.17 billion, significantly exceeding market expectations, with gross margin reaching 29.2% and capacity utilization rising to 79%. Mature-node wafer pricing trends remain firmly upward, with Q1 average selling prices increasing 8% YoY and Q2 expected to rise an additional 5-7%, pushing gross margin above 30%.

Additionally, a Taiwan Exchange filing disclosed that UMC acquired machinery equipment worth approximately NT$1.03 billion from Tokyo Electron for production purposes, signaling continued capacity expansion. The company's CFO also confirmed selective price hikes in the second half, with more comprehensive pricing adjustments planned for next year. These factors — strong earnings, clear pricing power, and production investment — collectively fueled the stock's strength.

(The above content is based on publicly available market information, generated by a program or algorithm, and is intended solely as a stock movement alert. It does not constitute investment advice or a basis for trading decisions.)