NEW YORK (TheStreet) -- Shares of Ford Motor (F) were higher in pre-market trading on Tuesday after the automaker postponed its October U.S. sales report due to a fire at the company's headquarters in Dearborn, MI.

The fire interrupted power at the headquarters and other nearby office buildings on Monday, impacting sales tracking, Ford said. The company expects to report October U.S. sales later this week.

Additionally, Ford signed a tentative contract today with Unifor, Canada's largest private sector union, and avoided a midnight strike deadline on Monday.

Under the terms of the deal, Ford's Canadian branch will invest about $522 million at a factory in Windsor, Ontario to introduce a new engine there, the New York Times reports.

An older plant in the region will also be kept open despite speculation recently that it would be closed, the Times said.

The contract covers about 6,400 workers, and will be brought to a union vote this weekend.

Ford also signed an agreement to make BlackBerry (BBRY) a "Tier One" supplier late yesterday, the Wall Street Journal reports.

The expanded deal increases Ford's use of BlackBerry's software for security systems and connectivity abilities in its vehicles. The terms of the deal were not disclosed.

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Separately, TheStreet Ratings objectively rated this stock according to its "risk-adjusted" total return prospect over a 12-month investment horizon. Not based on the news in any given day, the rating may differ from Jim Cramer's view or that of this articles's author.

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