U.S. data and Fed caution keep pressure on stocks, dollar

By Marc Jones LONDON (Reuters) - World stock markets and the dollar remained in sharp sell-off mode on Thursday, having been jolted sharply lower by weak U.S. growth data and cautious comments from the Federal Reserve. Asian and European stocks continued a two-day decline for equity markets worldwide, with Europe's FTSEurofirst 300 down 0.3 percent and heading for its worst week of the year.