Wall Street mixed, European stocks flat as US debt ceiling talks progress
By Chris Prentice and Nell Mackenzie NEW YORK/LONDON (Reuters) -Wall Street shares were mixed and European stocks finished little-changed as talks in Washington resumed to avert a U.S. default, while gold prices retreated under pressure from hawkish remarks by Federal Reserve officials. Oil prices finished higher on demand optimism. U.S. treasury yields rose. House Republican…