Bidness ETCUPDATE 1-Costco comparable sales fall 1 percent, miss Street forecastsReuters(Adds details, background, shares). May 27 (Reuters) - Warehouse club operator Costco Wholesale Corp reported a decline in quarterly comparable sales and lower-than-expected sales, hurt by gasoline price deflation and a stronger dollar that reduced ...Costco Wholesale Profit RisesWall Street JournalCostco Profit Tops Estimates as Sales Gains Outpaced Wal-MartBloombergExpectations Stacked High On Costco's Q3 EarningsGuruFocus.com (registration)all 28 news articles »