Shares of Nvidia tumbled more than 5% Monday after the computer chipmaker, central to the artificial intelligence race, opened an investigation into reports that CEO Jensen Huang was the “target of a foreign intelligence effort.”Shares of Nvidia tumbled more than 5% Monday after the computer chipmaker, central to the artificial intelligence race, opened an investigation into reports that CEO Jensen Huang was the “target of a foreign intelligence effort.”Electronics & Semiconductors[#item_full_content]