MEXICO CITY, April 25- Mexican media company Grupo Televisa, the world's biggest producer of Spanish-language content, said on Thursday its first-quarter profit fell 29 percent, hurt by a loss on its investment in cell phone company Iusacell.
*Major funds were underweight Mexico, had favored Brazil. BOSTON, Jan 2- The two biggest financial markets in Latin America swapped their long-held roles in 2012, with Mexico surging ahead and Brazil lagging, catching many U.S. fund investors in the region off guard.