The decision caps a months-long bidding process after GE put the electrical-products unit up for sale in December.
The talks for a tie up come as all three companies are facing increased competition from industry leader CRRC Corp. of China.
The straitened approach to air travel shows how GE CEO John Flannery is considering all options as he seeks to shore up earnings and reverse this year’s biggest stock slide.
The auction process has been delayed by the lawsuits, government opposition and corporate indecision.
The companies flagged the possible loss of as many as 4,000 jobs, from a newly combined workforce of about 48,000.
The deal expands Northrop’s product line-up in areas such as rocket propulsion, composites and munitions.
Apple is in talks to invest about $3 billion in Toshiba Corp.’s memory chips business as part of a consortium led by Bain Capital, reports indicate.
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The chargers will deliver less power than those located along highways or at longer-distance destinations.
The plant would be the company’s first overseas factory for passenger planes.