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Movers roundup: Quiksilver, Harvest Natural

The Associated Press

Among the stock activity stories for Monday, Aug. 12, from AP Business News:

— Stock in Quiksilver Inc. fell after a B. Riley & Co. analyst cut his rating on the clothing retailer saying that a weak back-to-school shopping season could cut into sales and profits.

— Shares of Harvest Natural Resources Inc. fell after the energy company said it posted a loss for its most recent quarter.