Yum!, which owns Pizza Hut, Taco Bell, and KFC, is the largest name brand in the restaurant business, with 37,000 restaurants in 110 countries, comments Stephen Foley for The Independent. As a larger middle class starts to emerge, China is becoming the main foreign market for Yum! restaurants.

However, in the United States, menu changes and innovations are being implemented to stop or at least slow revenue losses.

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  • PowerShares Dynamic Food & Beverage (NYSEArca: PBJ): YUM is 4.8%

  • PowerShares Dynamic Leisure & Entertainment (NYSEArca: PEJ): YUM is 4.7%

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Max Chen contributed to this article.