MIAMI GARDENS, Fla. (AP) — Calling the groups in charge of professional tennis “a cartel,” the players’ association co-founded by Novak Djokovic filed an antitrust lawsuit against the ...

The Justice Department has filed an antitrust lawsuit against Google over its online advertising business, long a dominant presence in internet ads.

Publicis has sued India's antitrust watchdog for denying access to case files in a high-profile price-fixing investigation of ad agencies, after the French group failed to get the probe stalled ...