Nvidia has hired Joon H. Kim, a Korean American former federal prosecutor, to lead an independent investigation into reports that Chinese intelligence targeted CEO Jensen Huang through an extramarital relationship. The company's independent directors said Tuesday they had hired New York law firm Wachtell, Lipton, Rosen and Katz, and that its attorney Kim will lead a "thorough and independent" probe into the case. The investigation follows media reports that Huang had a relationship with Alice Hu