Oil prices slipped on Friday as worries over the impact of war in the Middle East on crude supplies were outweighed by reports of profit-taking ahead of a long weekend.

Global stocks rose and bond yields fell on Friday, as investors shrugged off slowing global growth and focused instead on the continued stimulus provided by the world's major central banks.

World shares hovered near record highs on Thursday after downbeat Chinese manufacturing data kept pressure on Beijing for more stimulus and the Federal Reserve signalled higher U.S. interest rates are still some way off.

Crude oil prices bounced back on Wednesday from steep falls in the previous session as industry data showed that U.S. crude stocks fell more than expected last week.

The euro slid to a two-week low and a rally in European shares stalled on Wednesday after a Greek official said the country may not make an upcoming repayment to the International Monetary Fund.

Ferrari's timely return to the front row of the Formula One grid bodes well for the luxury sportscar maker as it prepares to list shares and split from parent Fiat Chrysler Automobiles. (FCHA.MI) (FCAU.N)

Brent crude oil fell below $66 a barrel on Tuesday as the dollar strengthened and on evidence of ample supplies of Middle Eastern oil despite wars in northern Iraq, Syria and Yemen.

The euro tumbled on Tuesday and the region's stocks and bonds jumped after the European Central Bank suggested it may speed up its 1 trillion euro bond-buying campaign slightly to account for lower market liquidity in high summer.

European shares fell on Monday, weighed down by worries over a looming cash crunch in Greece, while the dollar rebounded after concern over the U.S. economy drove the currency to four-month lows on Friday.

The dollar clawed its way higher on Monday, recovering from almost four-month lows reached late last week on another surprisingly bad round of U.S. economic data.