The U.S. Department of Justice (DOJ) has filed a price-fixing antitrust lawsuit against Apple and Hachette in New York district court. Bloomberg reports that the suit revolves around alleged collusion to raise the prices of eBooks, and that Harper Collins, Macmillan, and Penguin were also sued. The DOJ warned Apple and the publishers in early March of plans to file the suit; several of the parties reportedly held negotiations in hopes of settling…