Global stocks slip for third day, dollar recovers ground

By Saqib Iqbal Ahmed NEW YORK (Reuters) - Global equity prices slipped for a third straight day on Wednesday on growing nervousness about central bank policy, even as Wall Street clung to slim gains. The dollar rallied as investors squared positions ahead of Friday's U.S. non-farm payrolls report, data that should help determine the timing of the next Federal Reserve interest rate hike. "The central banking issue is more of a factor of everybody trying to stimulate their economies, and how much