Nvidia Gets DOJ Subpoena in Escalating Antitrust Investigation BloombergNvidia Gets DOJ Subpoena in Escalating Antitrust Probe Yahoo FinanceThe Nvidia AI antitrust investigation is ‘escalating,’ reports Bloomberg The VergeJustice Department takes a major step toward an antitrust lawsuit against Nvidia Business InsiderNvidia Hit With Subpoena From US Justice Department, Bloomberg News Reports U.S. News & World Report