Antitrust and Trade Regulation laws aim to promote free competition in the marketplace. Agreements or cooperative efforts by two or more entities that affects or restrains competitors is illegal under these laws. The Sherman Act makes illegal any contract, combination, or conspiracy in restraint of trade or commerce and makes monopolies and attempts, combinations, or conspiracies to monopolize illegal. The Clayton Act regulate price discrimination, tying and exclusive dealing contracts, stock acquisition and interlocking directorates.
Porterville is a city in Tulare County, California, United States. The population was 39,615 at the 2000 census. City limit signs currently have the population at 51,467. The city's population grew dramatically as the city annexed many properties and unincorporated areas in and around Porterville. Porterville is considered part of the Census Bureau's designation of the Visalia-Porterville metropolitan statistical area.