Nvidia and Wall Street want to finance $500 billion in AI infrastructure. Here’s what AI compute actually is—and why the value of aging GPUs matters so much.

Hyperscalers plan to spend up to $690 billion on AI infrastructure by 2026. Nvidia's 90% market share faces risks as Microsoft leverages its

Nvidia and Wall Street want to finance $500 billion in AI infrastructure. Here’s what AI compute actually is—and why the value of aging GPUs matters so much.