BlackRock reported assets of $10.5 trillion in the first quarter and posted a 36% jump in profit as a rebound in global equity markets boosted fees.
The percentage of companies that have defaulted on their debt more than once has reached its second highest level since 2008.
As U.S. banking giants report slightly lower first-quarter profits, investors will focus on income executives expect from interest payments this year.
A former Morgan Stanley banker punished in the probe that rattled Wall Street joined one of the firms that was the recipient of information he leaked.