Biotech ETFs Continue to Dominate Momentum Rankings By: TalkMarkets July 24, 2017 at 13:16 PM EDT The two biotech ETFs (IBB and XBI) retain their top three rankings and have done so for the last four weeks. Read More >> Related Stocks: HEALTHCARE Nasdaq Biotechnology Ishares ETF PowerShares DB Agriculture Fund S&P Biotech SPDR Vaneck Russia ETF