Nvidia is expected to announce blowout results on Wednesday.
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- Nvidia is still the king of AI.
- Thanks to its chips, the company has become a vital support to companies building AI models.
- Nvidia's dominance isn't guaranteed, however, as rivals want a slice of its success.
There have been fewer sure bets in the AI era than Jensen Huang.
The 61-year-old Silicon Valley veteran running Nvidia has overseen a $2 trillion surge in its value since the start of last year.