Rich ETFs Get Richer, Poor ETFs Get Poorer

NEW YORK ( ETF Expert) -- The best-performing exchange-traded stock funds over the last three months are essentially the same ones that outperformed over the last six months and over one year. The worst performers were consistently weak over all three time periods as well. Simply stated, the rich ETFs are getting richer, while the poor ETFs are becoming impoverished.

Consider several examples. Before the Federal Reserve began to discuss tapering its bond buying program in May, one of the most successful sectors was regional banking. Regional bankers were beneficiaries of an uptick in lending and a real estate recovery.

Yet, even with the threat to mortgages and borrowing-based consumption, regional banks figure to succeed in a rising rate environment where profit margins can improve. That's the thesis behind super-sized gains for the sector over three-, six- , 12-months -- a thesis that seems to suggest that these ETFs are currently immune to profit taking.

Similarly, economic weakness in Asia and Europe only served to harm Latin America ETFs early in the year; the funds have often been "export-dependent." Yet, even after the Fed announced that it might pull the plug on stimulus this past May, Latin American stocks did not benefit from the possibility of currency depreciation in South and Central America -- depreciation that could enhance exports.

Instead, the Fed's imminent exit is being viewed as yet another challenge for countries like Brazil, Chile and Peru, as rates around the world may climb simultaneously, further depressing global demand for Latin American products and services.
Rich ETFs Get Richer... And the Poor ETFs Get Poorer
Approx 3 Mo % Approx 6 Mo % 1 Year %
SPDR KBW Regional Bank (KRE) 19.5% 26.6% 43.3%
iShares DJ Aerospace (ITA) 18.4% 32.8% 48.8%
SPDR Pharmaceuticals (XPH) 18.3% 28.7% 37.6%
First Trust Internet (FDN) 13.9% 19.7% 45.7%
PowerShares Dynamic Food Beverage (PBJ) 12.6% 26.9% 37.2%
iPath DJ Ag Grains (JJG) -9.5% -17.8% -27.7%
WisdomTree Emeerging Mkt Hi Yield Div (DEM) -10.0% -6.5% -0.4%
Market Vectors Coal (KOL) -17.7% -28.2% -23.0%
WisdomTree India Earnings (EPI) -18.7% -22.4% -7.3%
iShares MSCI Brazil (EWZ) -19.4% -21.6% -15.4%

On the surface, it may be easy to dissect the performance numbers in the table above. Waning economic activity in China and in Europe has killed demand for natural resources; both the corporations and the countries/regions that are tethered to resources exporting continue to struggle. Meanwhile, Fed policy has benefited growth-oriented sectors with defensive attributes (e.g., Pharma, Aerospace, etc.) as well as bankers that can borrow at negligible overnight lending rates and either lend out in large quantities when rates are low or enhance profitability in a higher-rate environment.

Beneath the surface, however, is the very nature of complacency itself. Rare is the circumstance when the same investments continue to lead. Equally rare, the biggest losers do not tend to stay underperformers for multiple years. It follows that a series of questions arise, "How long should an investor let the winners run?" "When should one take profits and raise cash?" "When should an investor rotate into depressed and undervalued equities?"

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