Why are investors still flocking towards European bonds?

Despite a recent sell-off, $17trn in global bonds trade with a negative yield.

Germany gets paid to borrow for 30 years and the 10-year bund is at its lowest level since 1991. The 10-year yield for Greece, a country below investment grade with no control over its currency that would help to pay off its debt, is almost 0.4% lower than the yield on the respective US bond, the only country whose 'reserve currency' status allows it to print money with little or no inflationary implications.   Martin Gilbert: Quantitative easing returns to the ECB Why are investors flocking into European bonds despite low yields? It is partly because of the reversion in central ba...