Countdown to first Fed hike in a year under way, but focus shifting to 2017

By Dhara Ranasinghe LONDON (Reuters) - World stocks nudged lower, bond yields fell and a hush settled on the dollar, with investors certain the Federal Reserve will lift interest rates for the first time in a year on Wednesday but less so about what it may do in 2017. European shares lost 0.3 percent in early trade , while U.S. stock futures were also a tad weaker , suggesting a cautious start to trade after Tuesday's stock market rally to new all-time highs. The Fed is widely tipped to lift rat