Powell says Trump tariffs could delay inflation progress — and rate cuts — by a year. A currency-market ‘avalanche’ is heading for the U.S. dollar, and the tremors started this week.

By Sinéad Carew and Yoruk Bahceli NEW YORK/LONDON (Reuters) -World stocks fell slightly on Wednesday while Treasury yields edged down, after news of a forthcoming meeting between top U.S. and Chinese trade officials and ahead of a Federal Reserve monetary policy statement at the end of its two-day meeting.