Nvidia (NASDAQ: NVDA) and ASML (NASDAQ: ASML) are two of the world's most important semiconductor companies. Nvidia is the world's largest producer of discrete graphics processing units (GPUs) for video games, graphical applications, and artificial intelligence (AI) tasks. ASML is the top producer of lithography systems used to etch circuit patterns onto silicon wafers and the only supplier of top-tier extreme ultraviolet (EUV) lithography systems required to produce the world's smallest and densest chips.