The FTC alleges Pepsi violated the Robinson-Patman Act, which bars sellers from giving competing buyers different prices for the same “commodity” or selectively providing allowances, like ...

The FTC on Friday filed a lawsuit against PepsiCo, Inc., alleging the company engaged in illegal price discrimination.

The FTC sued PepsiCo under the rarely enforced 1936 Robinson-Patman Act. The FTC said the act prohibits companies from using promotional incentive payments to favor large customers over smaller ones.

The FTC sued PepsiCo on Jan. 17, alleging that it has engaged in illegal price discrimination by giving unfair price advantages to Walmart at the expense of other vendors and consumers.