At the CEF/ETF Income Laboratory , we manage ~8%-yielding closed-end fund ( CEF ) and exchange-traded fund (ETF) portfolios to make income investing easy for you. Check out what our members have to say about our service.It's been a bit less than a year since I've covered the iShares National Muni Bond ETF ( MUB ), the largest muni bond ETF in the market, and something of a stand-in for quality munisJuan de la Hoz has worked as a fixed income trader, financial analyst, operations analyst, and as an economics ...