Earlier this month, Japanese government bonds with maturities up to almost 20 years went negative. Yields on once-calm Japanese government bonds have become deeply negative and their prices intensely volatile—all this in a market that should be risk-free and dull. That means almost 87% of Japanese government bond yields are now below zero. It’s the things you least expect that hit you the hardest. The side effects aren't quite...

Source: Wall Street Journal July 04, 2016 10:08 UTC