Stocks hold gains after Fed minutes; dollar down

By Saqib Iqbal Ahmed NEW YORK (Reuters) - Stock indexes around the world gained on Wednesday, bolstered by upbeat global economic data and by minutes from the Federal Reserve's December meeting, which showed policymakers thought the U.S. economy could grow more quickly because of fiscal stimulus under the Trump administration. The dollar retreated from a 14-year high against a basket of currencies, briefly hitting a session low, while U.S. Treasury debt yields slipped after the release of the mi