A group of US states is planning to take aim at Google with an antitrust lawsuit, saying the internet giant abused its power when ranking its own offerings in search results.

US states aiming an antitrust suit against Google

An Australian regulator sued Facebook Inc on Wednesday accusing it of collecting user data without permission, building on government efforts around the world to rein in the social network.

Australia sues Facebook over user data, echoing US antitrust case

Alphabet's Google must tell a district court how it will respond to a federal antitrust lawsuit by mid-November, with the two sides making initial disclosures later in the month.

November deadline set for Google's initial response to US antitrust case

Facebook's stock dropped almost 3 per cent on Friday in regular trading after news reports suggested that the US FTC may take anti-trust action to prevent Facebook from integrating its disparate messaging apps.

Facebook shares fall over possible US antitrust move

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us antitrust

US states aiming an antitrust suit against Google

Australia sues Facebook over user data, echoing US antitrust case

November deadline set for Google's initial response to US antitrust case

Facebook shares fall over possible US antitrust move