The largest junk bond ETF is seeing its biggest cash injection in two years in February as investors jump back into riskier assets after the worst December for high-yield debt since 2015. The $16.1 billion iShares iBoxx High Yield Corporate Bond ETF, ticker HYG, is on track for its best month of inflows since December 2016, according to data compiled by Bloomberg. Andrew McCollum, managing director of Greenwich Associates, talks with Bloomberg's Scarlet Fu, Eric Balchunas and Carolina Wilson about high-yield, the firm's new ETF study and SoFi's plans for the first zero-fee ETFs. (Source: Bloomberg)