Japan's Nissan Motor and Chrysler of the United States have scrapped a plan to supply vehicles to each other because of the ongoing turmoil in the industry, the two companies said.

Italy's Fiat is the new owner of the bulk of Chrysler's assets, closing a deal on Wednesday that saves the troubled US automaker from liquidation and places a new company in the hands of Fiat's Chief Executive Officer.

The nine-member court reversed a freeze, introduced by Justice Ruth Bader Ginsberg on Monday, which gave Justices time to weigh complaints from Chrysler investors who argued they would be short-changed and their rights' trampled by the Fiat deal.

A group of Indiana pension funds had opposed Chrysler's sale to Fiat and filed the emergency appeal with the Supreme Court.

Opponents of Chrysler's sale to Fiat are asking the Supreme Court to block the deal. Three Indiana state pension and construction funds filed emergency papers at the high court early Sunday to put the sale on hold so they can pursue an appeal.