On Monday, EU regulators found that Apple Inc (NASDAQ:AAPL) violated the Digital Markets Act due to its lucrative App Store by illegally blocking software developers from telling customers how to access content outside the app store. Regulators also revealed that they opened a separate investigation into Apple's practice of charging a "core technology fee" for iOS apps available in the EU. Apple responded that it is confident that the changes it made in the EU comply with the DMA.

Meanwhile, in the U.S., Apple is defending itself against antitrust charges made by the US Justice Department and...