Investing.com – Oil was higher Tuesday in choppy trade as oversupply concerns persist.
U.S. crude was up 49 cents, or1.22%, at $40.55 at 06:45 ET. Brent crude added 1.52%, to $42.78.
There are signs of increasing production in the U.S., while output is rising in OPEC.
Investors will be looking to American Petroleum Institute stockpile data later Tuesday.
Official U.S. Energy Information Administration figures are due out on Wednesday.
The dollar index extended losses. A weaker dollar underpins demand for oil.