Oil prices continued to climb Tuesday amid fighting in Iraq that threatened production from northern Iraq and as the relationship between the United States and Iran risked more strain. Iraqi forces on Monday clashed with fighters from Iraq’s semi-autonomous Kurdish region in the oil-rich province of Kirkuk, in a continuing standoff over Kurdish independence. The violence followed a referendum late September in which the Kurds voted overwhelmingly in favor of independence, in defiance of the central government in Baghdad and other regional powers. Click Read More below for additional information.

Futures were little changed in New York after tumbling 2.9 percent Wednesday, the biggest daily drop since Oct. 6. Motor-fuel stockpiles rose by 6.78 million barrels last week for a fourth weekly advance, according to Energy Information Administration data. That’s more than double the most bearish estimate in a Bloomberg survey. U.S. oil output increased to a record. U.S. crude inventories fell by 5.61 million barrels last week, the EIA reported Wednesday. Oil production expanded for a seventh week to 9.7 million barrels a day, the highest level in weekly data compiled by the EIA since 1983. Click Read More below for additional information.