After the trailing developed markets for the better part of the year, left-for-dead emerging market exchange traded funds are beginning to outpace the S&P 500 on the Fed’s more dovish stance.

The iShares MSCI Emerging Markets ETF (NYSEArca: EEM) gained 5.3% over the past week and 12.9% over the last three months, whereas the SPDR S&P 500 ETF (NYSEArca: SPY) was up 2.3% in the last week and 6.3% in the past three months. Still, SPY has increased 22.5% year-to-date, compared to the 1.7% decline for EEM. [Return to Me: Cash Flowing Back to Emerging Market ETFs]

EEM has outperformed the S&P 500 for four consecutive weeks. Does this mean the trend is turning?

Emerging market investors are enjoying the ride as the Federal Reserve maintains its accommodative policies. However, changes in long-term interest rates could put pressure on emerging market investments. [Emerging Market ETFs Come Roaring Back]

“It is true that changes in longer-term interest rates in the United States–but also in other advanced economies–does have some effect on emerging markets, particularly those who are trying to peg their exchange rate, and can lead to some capital inflows or outflows,” Fed Chariman Ben Bernanke said at a press conference.

Macro Risk Advisors also points out a correlation between an emerging market ETF’s performance and changes in the 10-year Treasury yield over the last three months, reports Brendan Conway for Barron’s.

Nevertheless, risk tolerance and long-term growth outlook can still support emerging market assets. [WisdomTree: Emerging Markets and the Current Account]