Morning Movers: Yum Brands, Best Buy, BlackBerry

March 12 (Bloomberg) -- Bloomberg's Tom Keene, Scarlet Fu and Sara Eisen highlight the news you need to follow for today's trading. They speak on Bloomberg Television's "Bloomberg Surveillance."
Paul Smith: Rent Costs Are Killing the High Street
16:34 - British fashion designer Paul Smith is selling more clothes online than in any of his stores. He told Bloomberg's Manus Cranny that relentless increases in rent are forcing retailers on to the web.
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