Nvidia CEO Jensen Huang's keynote at CES highlighted partnerships with various companies, including Micron for GPUs and Toyota for autonomous vehicles, boosting stocks of associated firms. Nvidia's shares initially surged but faced a notable decline afterward. Other companies mentioned, like Moderna and Getty, saw stock increases due to recent developments, while SoundHound AI struggled against Nvidia's advancements in AI tools. Overall, the market experienced mixed reactions following Huang's announcements.