Discounts in muni-bond closed-end funds have narrowed recently, but they remain a good buy, says Jim Colby, Senior Municipal Strategist at Van Eck Global. Colby says high-yield munis are especially attractive because spreads remain wide. He says he is seeing high-yield corporate bond investors cross over into the high-yield muni space. Finally, he says investors are best off diversifying their municipal bond portfolios instead of buying individual Puerto Rico bonds for their high yields.

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