Rating a business’ performance — for instance, by assigning a letter grade or a number of stars — does not constitute an assertion of fact, even if the rating supposedly is based on an extensive body of factual information.That is the conclusion reached by two-thirds of an Illinois Appellate Court panel in Perfect Choice Exteriors LLC v. Better Business Bureau of Central Illinois Inc., 2018 IL App 3(d) 150864 (3rd Dist., March 12, 2018).When a lawsuit is based on a statement made by the defendant, the …