ASML (NASDAQ:) holds a monopoly on foundational AI technology, making it the most structurally sound tech investment you can own. Its Extreme Ultraviolet (EUV) lithography machines are the only ones capable of printing AI-capable circuitry, and they are in high demand.

Evidence of its strength was seen in the company’s Q2 results and guidance update, released July 15. The report highlighted not only demand but also a business model designed for the long term. While new EUV machines are the story today, those sales will cool over time. The long-term opportunity is the persistent upgrade cycle built into the technology, which means software and hardware upgrades and the services to implement them.

ASML’s machine bodies are bolted to…