ASE Technology's stock surged 5.00% during intraday trading on Thursday, marking a significant gain for the semiconductor packaging and testing company.

The rally is driven by multiple catalysts, primarily AMD's announcement of a multi-billion dollar investment into Taiwan's semiconductor and AI industry ecosystem. As a core OSAT (Outsourced Semiconductor Assembly and Test) partner, ASE Technology will collaborate with AMD to co-develop next-generation 2.5D bridge interconnect technology, positioning the company to benefit directly from capacity expansion and long-term order expectations.

Further supporting the positive sentiment is the launch of an automated 310mm panel-level packaging production line by an ASE subsidiary, expected to begin production in the first half of next year. This expansion into advanced packaging is complemented by fundamental strength, including price increases of 5% to 20% for packaging and testing services and an upgraded advanced packaging revenue target of $3.5 billion.