Apple will have at least three days to review and possibly move to bar any information about its relationship with GT Advanced Technologies that could occur during the latter's bankruptcy hearings, a court said in a ruling on Oct. 9.

GT Advanced filed for bankruptcy on Oct. 6, which shocked investors and other backers and sent its stock price plummeting.

The Cupertino tech company reached a $578 million deal with GT to build out a state-of-the-art sapphire production facility in Mesa, Arizona, last November, according to Reuters.

Apple reportedly paid four out of five advances, but withheld a final $139 million payment due in October for unknown reasons.

U.S. Judge Henry Boroff said Thursday's ruling that GT Advanced should provide any reasonable information as part of the case, "except that in the event that any such information relates to the details of the debtors' business relationship with Apple," according to Reuters.

The information must first be disclosed to Apple's lawyers at least three days beforehand, during which the company can decide to block such disclosure, Boroff wrote in the ruling.

Boroff closed the courtroom to the public and held a session attended only by representatives for Apple, GT and U.S. Trustee William Harrington, an officer of the Justice Department responsible for monitoring the bankruptcy courts, according to The Wall-Street Journal.

"We are focused on preserving jobs in Arizona following GT's surprising decision and we will continue to work with state and local officials as we consider our next steps," Apple said in a statement on Wednesday.

It isn't clear what the company plans to do if GT closes the site.

Judge Henry Boroff has reportedly scheduled an Oct. 15 hearing to further examine the motion.

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