Exchange-traded funds saw their assets climb $3.14 billion to $121.57 billion in June, according to Washington-based trade association Investment Company Institute.

Equity index ETFs rose $2.81 billion to $117.7 billion, while bond index ETF assets increased $323 billion to $3.87 billion. Domestic equity ETF assets rose $1.31 billion and international equity ET assets grew $1.51 billion.

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