(CNN) Ireland must recover up to 13 billion euros ($14.6 billion) in unpaid taxes from Apple, Europe's top regulator ruled on Tuesday.
The tax ruling is by far the biggest the European Union has ever made regarding a single company, and it could spark a huge transatlantic row over how Europe treats big U.S. companies.
Apple shares fell almost 3% in premarket trading. The company will appeal the decision. It said the ruling upended the international tax system and would damage jobs and investment in Europe. Ireland also intends to appeal.
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