Trump said that Jensen Huang should stay on as Nvidia's CEO. Alex Wroblewski / AFP via Getty Images

President Donald Trump backed Nvidia CEO Jensen Huang on Sunday after Huang said he had been unfaithful to his wife with a woman US intelligence reportedly suspects was a Chinese spy .

"I think he's an honorable guy," Trump told reporters on Sunday. "I think he probably has an excuse for it. You have to hear it."

Trump said that in response to a question about whether he wishes he had acted on US intelligence about the affair earlier.

Trump said he has not spoken to Huang about the matter, but added that Huang has done an "amazing job" for the US and should remain Nvidia's CEO.

In a memo to Nvidia employees on Sunday, Huang said that he had been unfaithful to his wife and that his actions had hurt his family.…