消息人士：墨西哥有望最快于周四延长对新日铁149亿美元收购美国钢铁公司报价的反垄断批准。

Group 1 - Mexico is expected to extend the antitrust approval for Nippon Steel's $14.9 billion acquisition of a U.S. steel company as early as Thursday [1] - Cross-border mergers and acquisitions require approval from antitrust authorities in various countries to ensure that the transaction does not lead to market monopolization or harm competition [1] - Mexico's antitrust agency, such as the Federal Economic Competition Commission, will review whether the acquisition affects the competitive landscape of the domestic steel market, including aspects like pricing, supply, and employment [1]