MercadoLibre's future looks bright if the last five years are any indication.For American investors familiar with it, the story of MercadoLibre (MELI -0.42%) is a master class on succeeding in a challenging business environment. The company has found a way to turn outbreaks of high inflation and regulatory chaos into competitive advantages.Consequently, the company has pioneered key industries within its region, and its stock trades near record highs. The question now is whether it can continue beating the ...