China has begun manufacturing domestically developed immersion deep ultraviolet (DUV) lithography machines, signaling progress beyond theory and challenging ASML's long-standing dominance.

The move sparked a sharp market reaction, with ASML’s equity value dropping by roughly $44 billion on Monday amid concerns about a potential erosion of its competitive moat in China.

Analysts warn that the broader U.S. equipment market could feel the impact if China closes the lithography bottleneck, potentially softening demand for other semiconductor manufacturing tools.

The trading session reflected technology and semiconductor sensitivity as major indices swung on news surrounding tech earnings and sector dynamics.

The week’s focus includes heavy technology earnings and ongoing debates over AI-related spending and infrastructure investment shaping market sentiment.

Some analysts argue the sell-off may be overblown and present a buying opportunity for long-term investors, given ASML’s existing capacity and AI-driven demand.

Oil prices fell more than 5% as easing US-Iran tensions kept Brent around the mid-$90s, potentially easing inflation pressures and policy expectations.

ASML shares fell in early trading, down as much as 8% before settling roughly 6.7% lower as market enthusiasm turned cautious.

ASML reported Q2 2026 revenue of €9.326 billion with a 54% gross margin, €2.918 billion net income, and 86 new lithography systems sold; full-year 2026 guidance was raised to €43–€45 billion with plans to expand capacity in 2027.

Rising AI demand is boosting global semiconductor requirements, potentially accelerating efforts to expand domestic lithography capabilities.

Details such as exact dates or the manufacturer’s name were not disclosed in the available reporting.

Western leaders maintain advantages in key areas—Nvidia for chips, TSMC for advanced manufacturing, and ASML for cutting-edge lithography—indicating a gap that will take time to close.