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One of the more important antitrust cases of the twentieth century involved the Aluminum Company of America (Alcoa) in 1945 . At that time, Alcoa controlled about 90 percent of primary aluminum production in the United States, and the company had been accused of monopolizing the aluminum market. In its defense, Alcoa argued that although it indeed controlled a large fraction of the primary market, secondary aluminum (i.e., aluminum produced from the recycling of scrap) accounted for roughly 30 p

Antitrust Laws: What They Are, How They Work, Major Examples