Crude prices retreated Friday amid discouraging Chinese manufacturing data of August.
The economic calendar is light Friday, traders digested the data released during this week. China's manufacturing sector slipped to 50.3 in August, down from 51.7 in July, the lowest for three weeks, the banking group HSBC said Thursday.
Oil prices also dropped as traders took profit of the previous day's gains. Prices gained Thursday after a string of solid economic data of the United States made market expect stronger crude demand from the top global energy consumer.
Crude prices stepped back as the US is approaching the end of peak driving season, which runs through Labor Day, Sept. 1 this year.Â