COAL PLAY

摘要

The great advantage of the exchange-traded fund (ETF) is that it's built-in diversification. The great disadvantage? Also that it's built-in diversification. Efficiency in diversification can also mean getting results that are average. The solution is to find an ETF in a particular sector that is diversified in two ways: by location and by industry. Location is the key to effective diversification. If you believe it is a wise move to invest globally, which company should you pick? Or, is the ETF an effective answer?