McDonald's fell 0.9% in early Monday trading. A class-action lawsuit alleges that the company misled consumers by implying that Chicken McLay's ribs contained pork ribs; the company said the lawsuit “misrepresented the facts” and emphasized that the sandwich used 100% boneless pork.

McDonald's fell 0.9% in early Monday trading. A class-action lawsuit alleges that the company misled consumers by implying that Chicken McLay's ribs contained pork ribs; the company said the lawsuit “misrepresented the facts” and emphasized that the sandwich used 100% boneless pork.