Vetr Crowd Downgrades Powershares QQQ By: Benzinga via Benzinga June 27, 2017 at 09:23 AM EDT Over the past three months, Powershares QQQ Trust, Series 1 (NASDAQ: QQQ) has traded up over 6.7 percent, and the Vetr community has ... Read More >> Related Stocks: PowerShares QQQ