The new landlords, German property firm IVG Immobilien AG , aren't buying the 40-story building just for its looks.

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Metro AG itself won't comment other than to say that these are "market rumors, " which doesn't exactly calm any frayed nerves over in Redmond.

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But so far, AG-858 hasn't shown any significant side effects.

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Julius Baer Group AG and Bank Vontobel Holding AG also said they didn't turn to the Swiss and U.S. central banks.

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Number four carrier T-Mobile USA --a subsidiary of Deutsche Telekom AG (nyse: DT - news - people )--might also be interested in a merger.

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T-Mobile is a wholly-owned subsidiary of Deutsche Telekom AG.

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T-Mobile USA is the U.S. wireless operation of Deutsche Telekom AG (OTCQX: DTEGY).

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In the sector overall though, Johnson sees unwavering demand in specialty car makers, such as Bayerische Motoren Werke AG (BMW), Mercedes-Benz and Lexus, because they don't have the same huge footprint as the bigger car manufacturers, but it also means that they don't need to make as many sales to see profits.

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