Bond yields sink as central banks head for easier policy

The prospect of further cuts in interest rates and bond-buying to support a fractured global economy kept stock markets on the up in Europe and Asia on Friday, and drove U.S. and European government bond yields to their lowest in years. Signs that the world's big central banks will go even easier on monetary conditions, extending an era of ultra-low interest rates, have been at the heart of a recovery for stock markets from the chaos caused by Britain's vote to leave the European Union last week