The decision marks a strategic adjustment for Lenexa, Kansas-based Bats, which previously offered money to issuers to list their ETFs on its platform.
"Most people think, I want a manager who's doing credit research, adjusting for duration, looking for blowups," says BlackRock fixed income strategist Karen Schenone.
Hedge fund manager Bill Ackman maintained his bet against Herbalife even after the company reached a $200 million settlement with the U.S. Federal Trade Commission.
After a five-year slump marked by mine closures and losses, gold producers are now worth twice what they were in 2015.
Weeks of conflicting economic reports have whipsawed money managers overseeing about $6 trillion, including Pimco and Vanguard Group.