West Texas Intermediate crude was little changed after the biggest increase in a week. A report today is forecast to show stockpiles rose to the highest level since June in the U.S., the world’s biggest oil consumer. Futures swung between gains and losses in New York after the industry-funded American Petroleum Institute said crude supplies increased 599,000 barrels last week. The government will report today that inventories rose by 800,000 barrels to 386.2 million, according to a Bloomberg News survey. Brent’s premium widened for a fourth time yesterday on speculation that protests in Libya will disrupt the nation’s oil exports. “The anchor is U.S. supply,” Phil Flynn , a senior market analyst at Price Futures Group in Chicago said by phone. Protests in Libya that blocked an oil tanker from loading “raised market concerns,” he said. WTI for December delivery was down 7 cents at $93.81 a barrel in […]