
By Dominic LauLONDON (Reuters) - The dollar rose on Friday after Federal Reserve Chairman Ben Bernanke indicated U.S. monetary policy could be tightened as a recovery takes hold, sending crude and metal prices lower.World stocks <.MIWD00000PUS> were steady as retreating commodity prices hurt heavyweight miners, offsetting gains in Asia <.MIASJ0000PUS> and emerging markets.Shares in emerging markets <.MSCIEF> advanced 0.4 percent, hitting a more than 13-month high for the fourth straight day, after better-than-expected U.S. corporate earnings and economic data soothed fears about the strength of the economic recovery.In Europe,...