VettaFi's Islam talks the benefits of an index of closed-end funds

Roxanna Islam, associate director of research at VettaFi -- which developed the the S-Network Composite Closed-End Fund Index and other benchmarks for the closed-end fund space -- discusses the construction of indexes of closed-end funds and the benefits to using them over individual issues, as well as how passive investing in the space has held up against active management during the rough start to the year.