etf.com While the Invesco QQQ Trust Series I (QQQ) remained the top ETF picked up by investors on April 28, international equity ETFs benefitted from renewed interest as portfolio diversification plays gained momentum. The iShares MSCI World ETF (URTH) and the iShares Core MSCI EAFE ETF (IEFA) were top choices as international equity ETFs added $960 million in net flows. That said, U.S. equities still dominated with nearly $5.8 billion in flows. And as interest rates held steady, investors moved $1.7 bill ...