Google Ad Business Faces Heat as DOJ Extends Trump-Era Probe (1)

Antitrust investigators at the U.S. Justice Department have stepped up scrutiny of Google’s digital ad market practices in recent months, according to people familiar with the matter, showing that the Biden administration is actively pursuing a probe that started under former President Donald Trump.

Staffers from the antitrust office have interviewed multiple Google competitors about its practices in the advertising technology market, putting a target on the company’s second-most important business, according to people familiar with the action, who asked not to be identified discussing the early stage probe.

The Justice Department already sued Google last year, saying the Alphabet ...