The U.S. Federal Trade Commission (FTC) is preparing to file a major antitrust lawsuit against Amazon's online marketplace in the coming weeks, according to Bloomberg.

The U.S. Federal Trade Commission (FTC) is preparing to file a major antitrust lawsuit against Amazon's online marketplace in the coming weeks, according to Bloomberg.  The FTC is expected to accuse Amazon of leveraging its market power to favor sellers who use its logistics services and punish those who don't. The complaint, which has been honed over several months, would represent the FTC's most significant challenge to Amazon so far. The agency has collected evidence suggesting that Amazon disadvantages sellers who don't use its services. It also has looked into the algorithm Amazon uses to select sellers for the "Buy Box," according to Bloomberg. A settlement is possible before formal charges are filed. However, FTC Chair Lina Khan, known for her strong position on Big Tech, may push for Amazon's restructuring or breakup. Earlier this month, the FTC sued Amazon over its Prime service, accusing the company of enrolling millions of consumers into the subscription without their consent and making it difficult for them to cancel. The FTC is also probing Amazon's $1.7B acquisition of Roomba maker iRobot.