Nvidia CEO Jensen Huang
Nvidia and CEO Jensen Huang are early winners in Big Tech's earnings week.
  • Big Tech companies are reporting earnings this week, and there's already one early winner: Nvidia.
  • Microsoft said it was spending big on buying tech to power its AI — tech made by Nvidia.
  • Nvidia shares were up more than 12% by midafternoon trade on Wednesday.

A slew of Big Tech companies are reporting earnings this week, and already at least one clear winner has emerged: Nvidia.