With interest rates near record lows and expected to remain there for the foreseeable future, many investors have begun searching for alternatives to Treasuries that offer more attractive yields (see Five Bond ETFs For Yield-Hungry Investors). Junk bonds and closed-end funds have been popular choices, but some investors in higher tax brackets have embraced municipal [...] Related Stories: New York Muni Bond ETFs In Focus California Muni ETFs: Value Play Or Sucker’s Bet? PIMCO Launches MUNI Bond ETF