<https://investorplace.com/2018/03/best-etfs-for-2018-the-powershares-qqq-etf-stumbles/>
<http://schema.org/name>
"Best ETFs for 2018: The PowerShares QQQ Trust Stumbles, But Is Still Strong"
<https://investorplace.com/2018/03/best-etfs-for-2018-the-powershares-qqq-etf-stumbles/>