The U.S. Supreme Court in Federal Trade Comm'n v. Sperry & Hutchinson Co. endorsed an expansive reading of the "unfair method of competition" prong of Section 5 of the FTC Act, stating that the Commission is empowered to “define and proscribe an unfair competitive practice, even though the practice does not infringe either the letter or spirit of the antitrust laws” and to “proscribe practices as unfair . . . in their effect on competition." That description of the scope of Section 5 accords with the legislative history of Section 5.