On September 28, ASE Technology fell 3.18% in regular trading, trading at $42.85/share, with turnover of $46.58 million. The stock had opened lower in pre-market trading and extended its decline throughout the session amid broad-based weakness across the AI and semiconductor sectors.

On the news front, OpenAI announced a pause in training and testing of its most advanced AI model, triggering widespread concern over the pace of AI industry development and its commercial return prospects. The announcement weighed heavily on AI-related and semiconductor names. Within the Semiconductors sector, most stocks traded lower, with Intel down 5.62%, Advanced Micro Devices down 4.42%, Micron Technology down 4.17%, and Broadcom down 1.15%, while NVIDIA bucked the trend with a 2.19% gain. Broader AI names including Arm Holdings, Meta Platforms, and ServiceNow also posted notable losses.

ASE Technology is a leading semiconductor assembly and testing services provider, offering advanced 2.5D and 3D packaging solutions. The company had recently secured expanded orders from Google for TPU advanced packaging and from Intel for its EMIB platform, with industry-wide packaging price hikes of 5%-10% reflecting tight high-end capacity.

(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.)