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 (also Maryville) is an unincorporated community in Kemper County, Mississippi, United States. It lies a slight distance away from U.S. Route 45 southeast of the city of De Kalb, the county seat of Kemper County. Its elevation is 200 feet (61 m), and it is located at 32°41′16″N 88°28′20″W / 32.68778°N 88.47222°W / 32.68778; -88.47222 (32.6879121, -88.4722596). Although it is unincorporated, it has a post office, with the ZIP code of 39352. It is adjacent to Lake Porterville.