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Nvidia said on Sunday it is probing whether CEO Jensen Huang has been the target of a foreign intelligence effort, after a media report alleged he had a close relationship with a Chinese businesswoman who passed information, the Korea Times reports. The New York Times reported on Oct. 29 that U.S. intelligence agencies assessed a Chinese executive at a Singapore-based data center company who had maintained close contact with Huang as a Chinese intelligence asset, according to Business Korea. Maeil Business Newspaper reports Huang admitted the affair to employees a day after the Financial Times exposé, and that Nvidia formed an independent investigation committee to check for leaks. Three Republican committee chairs in the U.S. House have formally requested a closed-door briefing with Huang, Business Korea adds. Separately, Huang's daughter Madison, a senior director at Nvidia, abruptly canceled her planned visit to South Korea, according to Yonhap and the Korea Times.