Walmart is also increasing product assortment by 11%, adding approximately 8, 500 items to stores.

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The kind of shopper it tried to win by decluttering stores and tailoring the product assortment.

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The increase is primarily related to marketing to drive new customer acquisition and new personnel to support expansion of our product assortment and order growth.

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Anyone can present a mindless (and endless) product assortment.

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At the same time, eCommerce and mCommerce retailers are faced with just for starters, a low conversion rates (only 2.85% of eCommerce visitors make a purchase) and increased product assortment translates into an obstacle for relevant search results.

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"We always had an assortment of product, but never in such a shop-able format, " says Michele Casper, a Lands' End spokeswoman.

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With a wide assortment of product offerings to its target group of low-to-middle class U.S. consumers and by maintaining its pricing power over suppliers, we believe Wal-Mart will be able to sustain its leadership in the retail industry.

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