Tim Cook will tell US lawmakers that App Store has opened the "gate wider" for developers, Apple isn't anticompetitive, and doesn't have "dominant market share" (Mark Gurman/Bloomberg)

Mark Gurman / Bloomberg:
Tim Cook will tell US lawmakers that App Store has opened the “gate wider” for developers, Apple isn't anticompetitive, and doesn't have “dominant market share”  —  Apple Inc. Chief Executive Officer Tim Cook will tell U.S. lawmakers probing his company's market power …