A bipartisan group of US senators and representatives have requested the DOJ to investigate Apple Inc. (NASDAQ:AAPL) for potential antitrust violations in its dealings with messaging app Beeper Mini. Lawmakers, including Senators Amy Klobuchar and Mike Lee, as well as Representatives Jerry Nadler and Ken Buck, have expressed concerns over Apple's alleged anti-competitive behavior, particularly after the tech giant shut down Beeper Mini's 'iMessage for Android' app on December 9, leading to an outage. The app was later restored with some limitations. The DOJ investigation could have significant implications for Apple and the broader tech industry.