ASML Stock Rises 3% as AI Chip Rally and Samsung High-NA EUV Plans Lift Sentiment

Key Takeaways

• ASML’s US-listed shares rose 3.1% to $1,679.92 on Monday as semiconductor stocks rallied on renewed enthusiasm for artificial intelligence infrastructure.
• Samsung’s plan to introduce ASML’s High-NA EUV technology into future DRAM mass production by 2028 strengthens the long-term demand case for advanced lithography equipment.
• ASML’s strong order environment, higher capacity plans and up to €12 billion share-buyback program support sentiment, although export controls, customer spending cycles and valuation remain important risks.

ASML Stock Joins Broad Semiconductor Rally

ASML stock advanced alongside a sharp rally across the semiconductor sector as investors returned to AI-related shares. The company’s US-listed shares ended Monday 3.1% higher at $1,679.92, extending the strong performance seen across chip designers, equipment suppliers and other companies linked to data-centre investment.

The wider market backdrop helped improve demand for growth stocks. The Nasdaq Composite gained 2.3% and reached a record closing level, while the S&P 500 rose 1.5%. Lower crude oil prices reduced some near-term inflation concerns, and the US 10-year Treasury yield eased to around 4.95%. Falling yields can be supportive for highly valued technology shares because they reduce the discount rate applied to future earnings.

Semiconductor stocks were among the session’s strongest performers. AMD climbed nearly 10%, Intel gained approximately 12% and Arm rose about 17%. The scale of those moves reflected renewed optimism about spending on AI processors, servers and supporting infrastructure rather than a company-specific announcement from ASML.

Expectations surrounding upcoming US-China discussions also contributed to broader risk appetite. For ASML, however, trade relations remain a two-sided factor. Improved diplomatic sentiment may support the technology sector, but the company continues to face uncertainty surrounding export restrictions on advanced semiconductor equipment.

AI Infrastructure Spending Supports Lithography Demand

ASML occupies a critical position in the semiconductor supply chain as the only commercial supplier of extreme ultraviolet lithography systems, which are required for many advanced logic and memory processes. When chipmakers expand capacity for AI processors and servers, demand can spread from chip designers to lithography equipment and related services.

ASML said in its second-quarter results that ongoing AI investment was increasing demand for advanced logic and memory chips. The company also said customers were accelerating capacity-expansion plans and that order intake remained extremely strong during the first half of 2026.

Management responded by outlining plans to increase production capacity. ASML intends to add around 30% to its 2026 low-NA EUV capacity of approximately 65 systems for 2027, while investigating a further 30% expansion for 2028. It announced similar plans for its DUV immersion capacity, which stood at around 130 systems for 2026.

Samsung Collaboration Advances High-NA EUV Adoption

ASML’s expanded collaboration with Samsung Electronics provides a more specific long-term catalyst. The two companies announced in September that Samsung would join an industry initiative to develop a 12-inch photomask platform for High-NA EUV manufacturing.

Samsung also plans to introduce High-NA EUV into future DRAM high-volume manufacturing by 2028. The companies described this as a first for the memory industry. High-NA EUV offers improved resolution compared with existing EUV systems and could allow manufacturers to simplify some production steps as chip features become smaller.

The planned adoption matters because High-NA EUV represents the next stage of ASML’s technology roadmap. Broader use across logic and memory production would expand demand beyond early research and development deployments, while Samsung’s participation could help establish the necessary mask and manufacturing infrastructure.

The agreement does not guarantee near-term revenue. Manufacturers must complete technical evaluations and determine whether productivity gains justify the cost. Even so, Samsung’s 2028 target provides evidence that a major memory producer is moving toward commercial High-NA EUV use.

Strong Q2 Results Reinforce the Growth Case

ASML reported second-quarter 2026 net sales of €9.3 billion, a 54% gross margin and net income of €2.9 billion. The company guided for third-quarter sales of €11 billion to €12 billion and raised its full-year 2026 sales outlook to between €43 billion and €45 billion, with a projected gross margin of 54% to 56%.

The updated forecast reflects stronger demand visibility across ASML’s portfolio. Installed-base management, including service and field-option revenue, generated €2.76 billion in the quarter and can provide some stability as the installed fleet grows. However, orders and system deliveries may still vary substantially between periods.

€12 Billion Buyback Adds Shareholder Support

ASML’s capital-return program provides an additional source of support. The company announced an up to €12 billion share-buyback program covering 2026 through 2028. Up to two million repurchased shares may be used for employee plans, while ASML intends to cancel the remainder.

ASML repurchased approximately €1.1 billion of shares in the second quarter. Cancelling repurchased stock can reduce the share count and support earnings per share, but the program may be changed or discontinued and does not guarantee share-price gains.

ASML Stock Outlook: Long-Term Demand Meets Near-Term Market Momentum

ASML’s latest advance reflects both a broad return of risk appetite and company-specific evidence supporting future lithography demand. The immediate move was part of a wider semiconductor rally driven by renewed AI enthusiasm, lower oil prices and easing bond yields. The more durable investment case rests on customer capacity expansion, Samsung’s planned High-NA EUV adoption and ASML’s ability to convert strong demand into profitable system deliveries and service revenue.

The €12 billion buyback and stronger 2026 outlook add support, but they do not remove the risks from export controls, customer spending cycles and expensive technology transitions. ASML’s next major test will be whether the company can maintain strong orders and execute its expanded production plans as AI-related chip capacity moves from announced investment to operational fabs.