It's been a good week for shareholders of Nvidia (NVDA -2.85%). The market has been worried about the powerhouse artificial intelligence (AI) company, but management assuaged many fears about its future opportunities and its ability to thrive despite regulatory issues that are weighing on its financial statements.CEO Jensen Huang gave many positive updates, and they don't just bode well for Nvidia, but for the long-term potential of generative AI -- and more specifically, AI superstar Amazon (AMZN -0.31%).T ...