MANDEL NGAN / AFP via Getty Images President Donald Trump said he checked in on Jensen Huang as the Nvidia CEO was caught up in an affair scandal.

President Donald Trump is sticking by Nvidia CEO Jensen Huang.

At an impromptu White House press conference on Monday with Dana White , Trump said he had checked in on the exec earlier that day to see how he was doing.

On Sunday, Huang admitted to having an extramarital affair, and Nvidia's board of directors said it was opening an investigation into whether the CEO was the "target of a foreign intelligence effort."

Trump said that on a phone call Monday, he asked Huang directly about the allegations that the woman was a spy.

"He said he had absolutely no idea that the person in question was a spy," Trump told reporters at the White House. "I asked him that question.…