Chipotle shareholders sue over fallout from skimping on portion sizes
Chipotle Mexican Grill was sued on Monday by shareholders for concealing how many of its restaurants were skimping on portions, forcing the chain to spend more on ingredients and hurting its stock price. In a proposed class action filed in Santa Ana, Calif., federal court, shareholders said Chipotle failed to disclose growing unhappiness among customers with inconsistent portion sizes…