Nvidia is a big fan of this high-growth AI company. Earlier this year, Nvidia (NVDA -0.18%) revealed that it invested capital in several promising artificial intelligence (AI) companies. Management clearly believed the investments would pay off, but it also positioned the company as a direct enabler of its end markets. After all, Nvidia isn't an AI company itself. Rather, it supplies the AI industry with critical components like graphics processing units, or GPUs. By investing in the overall growth of AI, N ...