Microsoft, OpenAI and Nvidia investigated over monopoly laws The GuardianU.S. Clears Way for Antitrust Inquiries of Nvidia, Microsoft and OpenAI The New York TimesAs AI booms, Microsoft’s deal with a startup comes under federal investigation CNNExclusive | FTC Opens Antitrust Probe of Microsoft AI Deal The Wall Street JournalU.S. regulators to open antitrust probes into Nvidia, Microsoft and OpenAI CNBC