The SEC's pilot program will create an uneven pricing structure that could post a problem for some ETFs.

Michael Piwowar, who was appointed by President Barack Obama in 2013, plans to step down on July 7.

Warren Buffett characterized bitcoin buyers as "rat poison squared."

Labor Department investigators are also examining whether Well Fargo's retirement-plan services unit pressed account holders to buy in-house funds.

The SEC is pursuing details on a real-estate transaction and other deals involving ABS Capital, which is owned by two former Guggenheim managers.

New York Attorney General Eric Schneiderman said the companies agreed to begin reporting "Active Share," or the percentage of holdings that does not overlap a benchmark index.

Bitcoin has become the "lead horse" of risk assets and that its previous plunges have had a cascading effect on other risk assets including equities and high-yield junk bonds, Gundlach says.

UBS is combining the regional teams responsible for managing products and services related to alternative investments, investment mandates and partnerships.