Chile, the world's No. 2 salmon exporter, hailed a U.S. Department of Commerce decision to eliminate anti-dumping duties on Chilean salmon from six local companies. The United States is the largest market for Chile's fast-growing salmon industry, with 29 percent of total salmon and trout exports heading there last year. "I want to express the government's deep satisfaction with the United States' elimination of the anti-dumping measures for some of our salmon exporting companies," Chile's Economy Minister Jose de Gregorio said. The U.S. slapped an average anti-dumping duty of 4.57 percent on Chilean salmon imports in 1998 after determining that producers in this South American nation engaged in the unfair trading practice…