U.S. Justice Department probing Google ad-tech practices: report

Antitrust investigators at the U.S. Justice Department are looking at Google's digital ad market practices, Bloomberg News reported, citing people familiar with the matter. They have already interviewed multiple Google competitors, the report said. The European Union already has announced a formal probe into Google's practices in that field. A Google spokeswoman told Bloomberg that "enormous" competition in online advertising has made them more relevant, reduced ad-tech fees and expanded options for publishers and advertisers. Google is the main subsidiary of Alphabet .