Global stocks slip on earnings, data; dollar advances

By Saqib Iqbal Ahmed NEW YORK (Reuters) - A key index of global equity markets slipped from near record highs on Friday after underwhelming corporate earnings and U.S. economic growth data gave investors reason to pause following the recent sharp rally in equity prices. The dollar shrugged off disappointing U.S. fourth-quarter gross domestic product numbers to extend its rally against a basket of currencies, and U.S. Treasury debt yields slipped as the data spurred buying of U.S. government debt