The weakened market comes at a time when Wal-Mart works to rejuvenate its brand via improved lighting, nicer displays, and wider aisles.

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The house has brand-new flooring, roof, lighting, countertops and landscaping.

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After letting its " Triluminos" RGB LED lighting technology fall by the wayside after 2009 because of its high cost, Sony has brought the brand back in this year's HDTVs.

ENGADGET: Quantum dots help return 'Triluminos' RGB LED lighting to Sony HDTVs

About three years before the economic crisis hit, Wal-Mart began efforts to rejuvenate a tired brand and sagging stock price by quietly cutting distribution costs, cosmetically improving stores with brighter lighting and wider aisles and flexible scheduling of store workers to meet peak shopping hours.

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