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Nvidia CEO Jensen Huang has admitted to an affair with Alice Huang, a businesswoman suspected of spying for the Chinese government, prompting the company's board to open an independent probe into whether he was targeted by a foreign intelligence effort, Business Korea and KBS World report. The scandal has raised national security concerns in the U.S., with President Donald Trump saying Huang had "no idea" the woman was an alleged spy and was "suffering greatly," according to the Korea Times. Nvidia shares have slid, with the company on track to shed about $400 billion in market value over two sessions as the fallout deepens, the Korea Times reports.