A federal judge ruled Tuesday against the U.S. government’s proposal that Google should sell its Chrome web browser to restore competition in online search.

The highly-watched decision came after a three-week hearing that concluded in May, in which lawyers for the U.S. government and Google argued over how to fix the tech giant’s search monopoly.

The shares of Google’s parent company, Alphabet, surged in after-hours trading following the announcement.

Last year, it was ruled that Google illegally maintained a monopoly in online search, pointing to exclusive agreements the company struck with Apple, Samsung, AT&T and others to be the default search engine on web browsers and mobile devices. Google, based in Mountain View, Calif., disagreed with the ruling.

The Department of Justice and

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