ChipMOS TECHNOLOGIES (NASDAQ: IMOS) saw its stock price surge 11.21% in pre-market trading on Tuesday following the release of its impressive third-quarter 2025 financial results. The semiconductor assembly and test services provider reported significant improvements in revenue, gross profit, and net earnings, surpassing market expectations.

The company's Q3 2025 revenue reached NT$6,143.7 million (US$201.7 million), marking a 7.1% increase from the previous quarter and a 1.2% year-over-year growth. This performance was complemented by a substantial 101% expansion in gross profit compared to Q2 2025. ChipMOS also reported net earnings of NT$0.50 (US$0.02) per basic common share or US$0.33 per basic ADS, a notable turnaround from the net losses reported in the second quarter of 2025.

Investors were particularly encouraged by ChipMOS's improved utilization rate, which increased to 66% from 65% in Q2 2025, indicating enhanced operational efficiency. The company's financial position was further strengthened by a net free cash inflow of NT$1,520.5 million (US$50 million) for the first nine months of 2025, resulting in a robust cash and cash equivalents balance of NT$12,977.0 million (US$426.0 million). Additionally, foreign exchange gains of NT$84 million (US$2.8 million) in Q3 2025, compared to losses in the previous quarter, contributed to the positive financial outcome.