On July 28, ASML Holding NV declined 3.04% overnight, trading at $1,605.02/share with turnover of $8.7168 million, extending the prior session's over 7% selloff.

The decline was driven by continued market reaction to reports that a Chinese state-backed company has begun mass-producing immersion deep ultraviolet (DUV) lithography equipment capable of replacing ASML's comparable products. The company plans to produce approximately 5 units this year and scale to 20 units by 2027. While ASML delivered 131 immersion DUV systems last year, investors view the milestone as a significant step toward China's semiconductor supply chain self-sufficiency.

Data shows ASML's China revenue share declined from 19% in Q1 to 14% in Q2, reinforcing concerns over long-term market share erosion. However, some analysts consider the selloff overdone, noting the report was based on limited sourcing and that Chinese DUV progress had already been partially priced in. Within the Semiconductor Equipment sector, broad weakness persisted: Applied Materials down 4.81%, Lam Research down 4.02%, KLA-Tencor down 3.81%, Teradyne down 4.41%, and Amkor Technology down 10.84%.

(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.)