Assets in U.S. exchange-traded funds increased in May as all types of funds posted modest gains, a mutual fund trade group reported.
Combined ETF assets rose by $17.4 billion, or 7.9%, to $238.3 billion, the Investment Company Institute said.
Assets in equity index ETFs rose $17.3 billion to $226.4 billion, while bond index ETFs saw their assets rise $112 million to $12 billion. Assets in ETFs that invest in domestic stocks climbed $16.2 billion, and international ETFs saw their assets increase by $1.1 billion.