In a huge lawsuit, the U.S. Federal Trade Commission alleges that food and drink giant Pepsi engaged in pricing tactics unfair to both retailers and consumers.

A lawsuit filed by the Federal Trade Commission alleges that food and beverage maker PepsiCo engaged in illegal price discrimination by giving unfair price advantages to one big-box retailer.

The Federal Trade Commission on Friday filed a lawsuit against PepsiCo, Inc., alleging the company engaged in illegal price discrimination by giving an unnamed "large, big box" retailer unfair pricing advantages,