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Nvidia shares declined on Monday after the company announced an internal investigation into whether CEO Jensen Huang was the target of a foreign intelligence effort, following media reports of his affair with a Chinese businesswoman suspected of passing information to Beijing. Huang admitted to the relationship in a statement on Sunday, and Nvidia's board of directors opened an independent probe, according to KBS World and Korea Times reports. The controversy has raised concerns among Korean industry officials that it could affect Nvidia's partnerships in Korea, with Business Korea noting that privacy and security risks surrounding Huang are "spreading like wildfire" and sparking watchfulness in the global automaker industry. Korean media have also resurfaced Huang's past TV appearance with his wife, drawing renewed attention to his comments about her amid the scandal.