Soaring sales of Apple’s iPhone 3G in Latin America reveal an investment opportunity with one of the most overlooked telecom providers in the world. America Movil (NYSE: AMX) already has a waiting list of consumers waiting to buy the Apple iPhone 3G — indicating that strong future sales could propel the Latin American carrier to new highs.

US stocks haven’t exactly been putting in stellar performances lately. But that’s not the case for emerging market stocks. Taipan Emerging Markets blog editor Irwin Greenstien’s Emerging Market Index is up 9.3%. That’s after 5% gains last week…