To Amend Section 2(b) of the Clayton Act : hearings before the United States Senate Committee on the Judiciary, Subcommittee on Antitrust and Monopoly, Eighty-Sixth Congress, first session, on Mar. 17-21, 1959.

Considers S. 11 and S. 138, to amend the Clayton Act to strengthen law prohibiting price discrimination tactics that tend to lessen competition and lead toward monopoly in commerce. Includes H. Rpt. 85-2713 "Price Discrimination in the Dairy Industry," Jan. 3, 1959 (p. 425-475).