384 U.S. 563 (1966) Cited 2,671 times 6 Legal Analyses
Holding a series of three acquisitions "eliminated any possibility of an outbreak of competition" and thereby "perfected the monopoly power to exclude competitors and fix prices."
Holding that "[o]nly those arrangements whose `probable' effect is to `foreclose competition in a substantial share of the line of commerce affected' violate Section 3"
In § 2 cases under the Sherman Act, as in § 7 cases under the Clayton Act (Brown Shoe Co. v. United States, 370 U.S. 294, 325) there may be submarkets that are separate economic entities.