Assets of money market mutual funds rose a slim 0.1%, to $657.77 billion, in the week that ended May 10, the Investment Company Institute reported.

The gain was concentrated in funds for institutional investors, which attracted $1.22 billion, to close the week at $193.98 billion.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.