Bond Markets Appear Increasingly Wobbly

Bond market volatility is up –

http://www.bloomberg.com/news/articles/2015-05-12/bond-traders-put-on-alert-everywhere-by-456-billion-market-rout

Greg Ip on the recent development in the bond market:
http://blogs.wsj.com/economics/2015/05/12/bond-market-plunge-shows-how-stability-can-breed-instability/