Fixed income ETFs have been one of the hottest growth areas in a rapidly-expanding industry. According to the ETF screener, there are now more than 100 bond ETFs available to U.S. investors, a significant increase from just one year ago. At the end of February, bond ETF assets totaled about $107 billion, an increase of [...] Related Stories: iShares Launches Muni Bond ETFs Grail Launches Two Active Bond ETFs State Street Launches Corporate Bond ETF (SCPB)