Oil prices on Wednesday made up some of their losses as the U.S. dollar weakened slightly against the euro, but traders said the market will remain volatile and dictated by supply concerns and currency movements, the Associated Press reported. Light, sweet crude for July delivery was up US$1.91 at US$133.22 a barrel in electronic trading on the New York Mercantile Exchange by noon in Europe. In other Nymex trading, July gasoline and heating oil futures both rose over 5 cents to US$3.3701 and US$3.87 a gallon. July natural gas futures were up nearly 3 pennies at US$12.463 per 1,000 cubic feet. July Brent crude rose US$1.90 to US$132.92 a barrel on the ICE Futures Exchange.