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SAO PAULO, July 28 (Reuters) - GPA SA , Brazil's biggest retailer, posted a second-quarter net loss of 30 million reais ($9 million), down from a net profit of 358 million reais a year earlier, according to a securities filing on Tuesday.
Net income in the group's food retail division fell 44 percent to 102 million reais, below an average forecast of 110 million reais in a Reuters poll of analysts.
$1 = 3.3562 Brazilian reais Reporting by Brad Haynes; Editing by Christian Plumb