The Justice Department announced a sweeping antitrust lawsuit against Apple. The lawsuit alleges Apple has monopoly power in the smartphone market and uses its control over the iPhone to “engage in a broad, sustained, and illegal course of conduct” The lawsuit is the latest example of the Justice Department’s approach to aggressive enforcement of federal antitrust law that officials say is aimed at ensuring a fair and competitive market. Apple’s shares have fallen by 7% this year even as most of the stock market has climbed to new