ETF Battles: IWB Vs. PRF - What's The Better Play On Large Cap Stocks? By: TalkMarkets June 15, 2020 at 11:32 AM EDT A battle review between two U.S. large cap stock ETFs: IWB vs. PRF. Read More >> Related Stocks: FTSE RAFI US 1000 Invesco ETF Russell 1000 Ishares ETF