Conviction grows that the SEC will relent after years of rejected applications.
Investors have recently pointed to a worrying trend at brokerages: ballooning margin debt.
Just this year, the ETFs have attracted $607 million in inflows.
A surge in options trading fueled the biggest inflow in two decades for one of the world's largest ETFs.
Fees have emerged as a battleground in the quickly growing $6 trillion ETF industry.
The trusts are delving into still-niche corners of the cryptocurrency universe.
Loan ETFs are on track for their biggest first-half take since 2013.
High-yield bonds are having a moment, and so are the exchange-traded funds tracking them.
The Austin, Texas-based firm will turn four equity funds into ETFs.
The selloff in high-grade corporate debt will create an attractive entry point for the asset class, one analyst said.