Companies engaging in personalized pricing may face federal charges under a proposed rule. The Federal Trade Commission has put forth this new rule, which could impact businesses using this practice. Further details about the rule and its potential implications are available from the source.

The proposal suggests that companies using personalized pricing could be subject to federal charges, but specifics are not provided here. More information on the proposed rule and personalized pricing can be found through the source, which provides additional context and explanation of the practice and its potential consequences.