Oil prices rallied on Thursday, with U.S. crude settling up 4 percent as indications of strong demand for gasoline overshadowed a report showing increased U.S. crude inventories.
A weaker dollar also made dollar-denominated crude more affordable to holders of the euro, while gains on Wall Street enhanced bullish sentiment in oil markets.
http://www.reuters.com/article/2015/09/10/us-markets-oil-idUSKCN0RA04J20150910