the federal trade commission has started a preliminary investigation into possible price discrimination by beverage giants cocacola co and pepsico inc according to a politico report late monday citing four people with knowledge of the probe politico reported that the companies are being investigated for potentially violating a littleused 1936 law that bans suppliers from favoring large retailers over smaller businesses by offering them lower prices the investigation is still in its early stages politico reported but the ftc has reportedly reached out to a number of large retailers including walmart inc wmt  in recent months to collect purchasing and pricing information shares of cocacola ko are up 36 over the past 12 months while pepsico pep has gained about 3 in the past year as compared to the sp 500’s spx 17 loss over that time the probe appears to be the latest move by the biden administration to crack down on antitrust and rein in the power of large companies