Associated Press
In this Thursday, Feb. 7, 2013 photo, Sony signs hang from a store in Tokyo. As the yen weakens, famous Japanese exporters are getting a boost but the favorable exchange rate also carries risks by insulating some companies from pressure to overhaul their businesses. Sony Corp., which has floundered for several years as its mainstay TV business was battered by competition and falling prices, says it has striven to become “dollar neutral” - business speak for making its profits less dependent on the fluctuating exchange rate between the dollar and the yen.  (AP Photo/Junji Kurokawa)

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