UPDATE 1-Mexico's Walmex reports higher quarterly profit

MEXICO CITY Oct 18 (Reuters) - Mexico’s top retailer, Wal-Mart de Mexico , reported a higher third-quarter profit on Tuesday, helped by a jump in sales.The retailer, known locally as Walmex, said third-quarter profit was 4.875 billion pesos ($351 million), compared with 4.250 billion pesos a year ago.That was slightly above expectations for a profit of 4.824 billion pesos, according to a Reuters survey of six analysts.Walmex said revenue rose 10.6 percent to 91.04 billion pesos from 82.29 billion pesos in the third quarter of 2010.Shares in the company, which is controlled by U.S. retailer Wal-Mart Stores Inc , closed up 0.18 percent, or 6 centavos, at 32.98 pesos in local trading.