Exchange-traded funds seem to encourage myopia. As the variety of ETFs widens, the individual funds themselves are narrowing. Most of the new ETFs launched in recent months have been sector or industry funds that hone in on ever-thinner slices of the stock market, such as home builders, oil ...
Are ETF launches spinning out of control?
Consider cost, risk, and portfolio overlap before playing with sector ETFs.
A roundup of green mutual funds and exchange-traded funds.
An initial roadmap for navigating the growing number of "green" funds and ETFs.
Ms. Byrnes is an employee of online brokerage Folio Investing.