$17trn of debt is now 'paying' a negative yield
Reviewing their usefulness at a time of intense volatility
Investors could experience a nasty shock, CIO argues
Manager cites liquidity risk for changes
Investors paying premium for high-yielding companies
JPM BetaBuilders US Treasury Bond ETF launched this month
Last month the US yield curve inverted, with the yield on 10-year Treasury bonds dipping beneath the yield on 3-month Treasury bills.