On July 13, United Microelectronics fell 3.55% in regular trading, trading at $23.21/share, with turnover of approximately $101 million. The decline was driven by broad-based selling pressure across the semiconductor sector, which erased the stock's earlier pre-market gains.

United Microelectronics had risen 4.2% in pre-market trading on news of ASML's EUV light source technology breakthrough, but the sector-wide downturn prevented those gains from holding. Among peers, Micron Technology fell 6.53%, Intel fell 4.74%, Advanced Micro Devices fell 4.41%, Broadcom fell 2.85%, and NVIDIA fell 1.19%, reflecting systematic selling pressure across the industry.

On the fundamental side, United Microelectronics' Q2 revenue grew approximately 17% year-over-year, marking a 15-quarter high, while June revenue surged 23% annually to NT$23.1 billion. The company's next earnings report is scheduled for July 29.

(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.)