The European Central Bank will probably gradually wind down bond purchases before the conclusion of quantitative easing, and may do so in steps of 10 billion euros ($11.2 billion) a month, according to euro-zone central-bank officials. An informal consensus has built among policy makers in the past month that asset buying will have to be tapered once a decision is taken to end the program, the officials said, asking not to be identified because their deliberations are confidential. They didn’t exclude that QE could still be extended past the current end-date of March 2017 at the full pace of 80 billion euros ($90 ... (full story)