Bloomberg In the latest salvo in a long-running feud over the costs of processing payments, Wal-Mart Stores Inc. sued Visa Inc.’s US unit, saying the company wants the retailer to use a less-secure method for verifying debit cards in order to route transactions through its own networks to boost profits. Wal-Mart filed a heavily redacted complaint in New York …

  Bloomberg Dean Foods Co., the largest US dairy processor, agreed to buy the manufacturing and retail operations of Friendly’s Ice Cream LLC for $155 million to add another consumer brand and help build its business beyond commodity fresh milk. The deal includes Friendly’s trademark and intellectual property, Dallas-based Dean said in a statement. The company will retain Friendly’s senior …

  Buenos Aires / AFP With hardship rising due to job cuts and inflation, Argentina has adopted a scheme from Europe’s economic crisis: putting food in outdoor “social fridges” for the needy. “I was sick of seeing how food got thrown away and then shortly afterwards people were foraging for it” in the trash, said Luis Pondal, a restaurant owner in …