Investors should take a closer look at the so-called "Amazon of Latin America."The extent of the e-commerce industry is likely not well understood by many investors. Some might assume Amazon dominates most of the world. And even if they know something about Amazon's competitors, they might not understand that they are actually conglomerates involved in several other businesses.One less-understood conglomerate is MercadoLibre (MELI 0.10%), often called the "Amazon of Latin America." Along with its e-commerce ...