In this articleSTZKDPKOMiami, Hialeah Gardens, Florida, Walmart Supercenter, checkout line cashier, customers paying. Jeff Greenberg | Universal Images Group | Getty ImagesHispanic consumers are cutting back their grocery spending on everything from beer to cooking spray, executives said during recent earnings calls.Coca-Cola, Constellation Brands and Colgate-Palmolive are among the companies that have reported a slowdown in North American sales from Hispanic shoppers.A fifth of the U.S. population identifi ...