McDonald’s Says Tyson and Other Suppliers Fixed Beef Prices (1)

McDonald’s is suing some of its suppliers over allegations they conspired to sell the fast-food chain beef at artificially inflated prices, in violation of federal antitrust laws, according to a new lawsuit Friday.

McDonald’s Corp. alleges the suppliers coordinated to fix, raise, stabilize, or maintain the price of beef at “supracompetitive levels.” The nine suppliers, which include companies like Tyson Foods Inc., JBS SA, and Cargill Inc., violated the Sherman Act through their conduct, McDonald’s said in its complaint in the US District Court for the Eastern District of New York.

“Defendants and their co-conspirators implemented their ...