Warren Buffett, a celebrated lover of junk food, just bought into a national pizza chain whose shares are trading near their cheapest level of the year. Whosever original idea, Domino's Pizza is in keeping with other, long-standing investments by the sprawling Omaha-based conglomerate. DPZ YTD mountain Domino's Pizza shares have trailed the S & P 500 this year. Value bet Domino's fits into Berkshire's value investment philosophy, focused on cash flow and price-to-earnings and price-to-book-value yardsticks. Pizza wars The pizza chain has struggled with comparable sales growth in the U.S. as competition for cost-conscious customers mounts.

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Persons: Warren Buffett, Buffett, Berkshire Hathaway, Ted Weschler, Todd Combs, Oscar Meyer, Kraft Heinz, Burger King, Tim Hortons, Jeffrey Bernstein, it's, Warren, Bernstein Organizations: Kraft, Berkshire, Restaurant Brands, Tim Hortons amd, Barclays Capital, Barclays, CNBC Locations: Berkshire, Omaha, McDonald's, Domino's, U.S