1. Virtus InfraCap U.S. Preferred Stock ETF (PFFA) is a strong buy due to its quality holdings and stable distributions, especially after the recent market dip. 2. The fund invests in high-quality U.S. preferred stocks, providing solid income with low volatility. 3. PFFA has maintained consistent dividends and uses conservative leverage to boost income, presenting a great buying opportunity in current market conditions.