High yields aren't always a good thing: Mario Gabelli, whose high-yielding closed-end fund Gabelli Utility Trust (GUT) recently traded at a 60% premium to net asset value, even though 90% of the yield is now simply a return of investors' capital: "I personally think the premium is unsustainable. It's off the wall."
From other sites
at Nasdaq.com (Mar 12, 2015)
at Nasdaq.com (Feb 9, 2015)
ETF Screener: Search and filter by asset class, strategy, theme, performance, yield, and much more
ETF Performance: View ETF performance across key asset classes and investing themes
ETF Investing Guide: Learn how to build and manage a well-diversified, low cost ETF portfolio
ETF Selector: An explanation of how to select and use ETFs