BRUSSELS, March 25 (Reuters) - EU antitrust regulators

on Monday opened their first investigations under the Digital

Markets Act into Apple ( AAPL ), Alphabet's Google and

Meta Platforms ( META ) for potential breaches of the landmark

EU tech rules.

"The (European) Commission suspects that the measures put in

place by these gatekeepers fall short of effective compliance of

their obligations under the DMA," the EU executive said in a

statement.

The EU competition enforcer will investigate Alphabet's

rules on steering in Google Play and self-preferencing on Google

Search, Apple's ( AAPL ) rules on steering in the App Store and the

choice screen for Safari and Meta's 'pay or consent model'.

The Commission also launched investigatory steps relating to

Apple's ( AAPL ) new fee structure for alternative app stores and

Amazon's ( AMZN ) ranking practices on its marketplace.

(Reporting by Foo Yun Chee and Bart Meijer;)