Although there are millions of options to choose from, Americans have their preferred soda brands, with Coca-Cola, Dr. Pepper, and Pepsi being among the most popular in terms of generated revenue. Related: PepsiCo makes surprising move with irresistible snack food brand PepsiCo is an American multinational food,

The U.S. Federal Trade Commission sued PepsiCo on Friday for offering preferential pricing to a large retailer, whom a source familiar with the matter confirmed was Walmart .

The Robinson-Patman Act was passed in 1936, but the federal government stopped enforcing it during the deregulation of the 1980s. The FTC resumed its enforcement in December when it sued Southern Glazer’s, the largest U.S. distributor of wine and spirits.

The FTC is suing PepsiCo for allegedly rigging the market by offering “unfair pricing advantages” that can contribute to inflation.

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,

In the suit, the FTC said PepsiCo gave pricing advantages to one large chain but did not give those incentives to smaller retailers.

The U.S. Federal Trade Commission is bringing a lawsuit against PepsiCo for getting a bit too close to one retailer. Here's what you need to know.