All four companies are buyers of Nvidia's cutting-edge AI chips, which dominate the market for training the massive models that power applications like the viral ChatGPT. "I think that Nvidia is the quiet partner behind the winners including Microsoft," Jim Cramer said Friday. Notably, about 3 percentage points of Azure's growth was linked to customer AI spending, Hood said. Amazon Amazon's results and earnings call Thursday added to the body of evidence on AI spending as a priority at U.S. tech giants. This week's slate of Big Tech earnings left little doubt that, as more Nvidia chips become available, there will be a place inside data centers for them to go.

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Persons: haven't, —, Jensen Huang, Jim Cramer, NVDA, Jim, Amy Hood, Hood, Ruth Porat, Porat, Susan Li, Brian Olsavsky, Andy Jassy, Jassy, It's, Jim Cramer's, Jensen Huang Getty Organizations: Nvidia, Big Tech, Microsoft, Facebook, U.S, Google, Broadcom, AWS, Loop, Taiwan Semiconductor Manufacturing Company, CNBC Locations: China, OpenAI, Amazon's