On June 24, ASE Technology rose 3.09% in pre-market trading, trading at $40.74/share, with turnover of $338,900.

On the news front, the company disclosed a US expansion plan, announcing it will build two additional factories in California on top of its existing two test facilities, while evaluating investment in Arizona driven by US customer demand. COO Tien Wu stated the company will add 15 new factory sites this year and reiterated a capital expenditure budget of $85 billion that may be exceeded, targeting strong AI demand through 2029 and beyond. NVIDIA plans to build up to $500 billion in US AI server infrastructure with partners including ASE subsidiary Siliconware Precision Industries.

Separately, ASE previously reported May unaudited consolidated revenue of NT$630.33 billion, up 29% year-over-year, with packaging, testing, and materials revenue surging 38% to NT$421.62 billion, reflecting robust advanced packaging demand as TSMC capacity overflow continues to benefit the company. Within the Semiconductors sector, Micron Technology rose 3.35%, Marvell Technology rose 2.32%, and Intel rose 1.87%.

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