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Navteq Deal Guts Garmin

Shares plunge as a mapping supplier ties the knot with Nokia.

Updated from 10:09 a.m. EDT


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jumped into the navigation game Monday with an $8.1 billion cash deal for digital map maker


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The deal calls for Nokia to pay $78 in cash for each Navteq share, a slight premium to the Friday closing price of $77.97.

The acquisition gives Nokia a host of mapping and navigation services including Navteq's site, a live traffic report system. The move adds to pressure building on Navteq customer


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. But shares in both Nokia and Navteq fell in early trading Monday as well.

Phone companies like


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targeted navigation services as a key new growth market and another source of mobile data sales. Phones equipped with global positioning system chips use mapping software from outfits like Navteq to give users turn-by-turn driving directions.

"Location based services are one of the cornerstones of Nokia's Internet services strategy. The acquisition of Navteq is another step toward Nokia becoming a leading player in this space," said Nokia chief Olli-Pekka Kallasvuo.

GPS device maker Garmin, one of Navteq's largest customers, saw its shares tank 12% with the announcement of the Nokia deal.

Investors say Garmin is suddenly looking at a squeeze among its map data suppliers. In July, Garmin rival


offered to pay $2.5 billion for

Tele Atlas

, the map maker for outlets like BlackBerry maker

Research In Motion


, MapQuest and


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RIMM uses mapping data from closely held


, a Navteq rival.

Nokia has steadily been expanding beyond handsets into software. The Finnish tech shop owns 47% of Symbian, a developer of mobile phone operating systems. Two years ago Nokia moved into the mobile email market with the acquisition of Intellisync.

Nokia shares dropped $1 to $36.93, Navteq sank $1.30 to $76.65 and Garmin slid $15.40 to $104.