Nvidia has become the world's most valuable company thanks to its advanced chips that are powering the AI revolution. But it could not succeed without ASML . The Dutch semiconductor equipment company, one of Europe's most valuable, makes lithography machines needed to print extremely fine patterns on silicon wafers. It's the only company in the world that makes extreme ultraviolet (EUV) lithography machines used to produce the most advanced semiconductors. It has a 90% share of the wider