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New Nokia Lumia 920 (L) and 820 Windows smartphones are displayed during a joint event with Microsoft on September 5, 2012 in New York City. - 

Nokia stock was up significantly this morning, which may come as a surprise because the Finnish cellphone company has been struggling to keep up with the likes of Apple and Samsung. But the optimism on Wall Street has to do with a different part of the smartphone tech market -- the business end. Nokia just bought out electronics giant Siemens in a joint venture to make high-speed wireless network technology.

Todd Wasserman, business editor at Mashable, joins Marketplace Tech host Ben Johnson to discuss the deal.

 

Follow Ben Johnson at @@TheBrockJohnson