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Do Sectors Matter?
As the number of exchange-traded funds (ETFs) has multiplied, the number of sector ETFs has exploded. There are now ETFs that cover every sector of the U.S. stock market imaginable (health care, telecommunications, consumer discretionary, etc.) and even international and emerging markets sector ETFs. Lost in all this is the general finding that sectors really aren’t that important, particularly over longer periods of time.
The long-term returns of most....