7 of the Hottest ETFs to Buy Right Now Despite the doom and gloom in the market, investors still continue to flock toward the hottest ETFs to buy. exchange-traded funds comprised a third of total U.S. exchange volume during the Q1, a record percentage. Meanwhile, equity ETFs saw $154 billion in net flows during the first quarter, down from a record $209 billion in the previous year. U.S. stock ETFs accounted for over $110 billion of these net flows. 7 High-Yielding Monthly Dividend Stocks to Buy in June Moreover, the last week of May saw the first weekly inflow of global equity funds in seven weeks. Investors purchased a net $6.16 billion worth of global equity funds, marking their first weekly net buying since April 6. With that information, here are seven hot ETFs to buy that have significant potential to gain traction during the second half of the year. FXO Financials Alphadex Fund $42.97 AMZA InfraCap MLP ETF $33.52 SPGP Invesco SP 500 GARP ETF $85.48 SOXX iShares Semiconductor ETF $416.06 GII SPDR SP Global Infrastructure ETF $57.70 MOAT VanEck Morningstar Wide Moat ETF $68.94 VCR Vanguard Consumer Discretionary Index Fund ETF $255.53 First Trust Financials Alphadex Fund (FXO) Source: PopTika | Shutterstock 52-week range: $39.81- $48.99 Dividend yield: 2.05% Expense ratio: 0.61% per year The Financials Alphadex Fund (NYSEARCA: FXO ) aims to outperform the U.S. financials market by applying a quant-based model to the Russell 1000 financials universe.