Oil prices were on track for the fourth straight week of decline as they remained little changed in early Asian trade after slipping about 5% to a four month-low on Thursday on worries over global demand.

The yen was on track for its best week against the dollar in four months on Friday on the prospect of a narrowing U.S.-Japan rate differential, with bets that the Federal Reserve is done raising rates leaving the greenback headed for a weekly loss.

Euro zone industrial production declined broadly in line with expectations in September, wiping out a rise in August as output of consumer goods dropped sharply in the month.

Japanese exports grew for a second straight month in October but at a sharply slower pace due to slumping China-bound shipments of chips and steel, as weakening external demand takes its toll on the trade-reliant economy.

China's industrial output and retail sales growth beat expectations in October, but the underlying economic picture highlighted significant pockets of weakness with the crisis-hit property sector continuing to forestall a full-blown revival.

China's state planner will step up efforts to attract foreign investment and improve consumption among low and mid-level income groups, a National Development and Reform Commission spokesperson said on Thursday.