WisdomTree launched a new dividend-weighted emerging markets ETF on July 13 that boasts an eye-popping 6.47 percent index yield. The Wisdom Tree Emerging Markets High-Yielding Equity Fund (NYSE: DEM) debuted on the New York Stock Exchange (NYSE). On a backtested basis, it has a generally positive record against the benchmark MSCI Emerging Markets Index, although it lags on a 5-year basis.