Reuters | Oil settles slightly higher, then API reports surprise build Reuters NEW YORK Oil prices settled slightly higher on Tuesday in volatile trading, then were mixed after hours when an industry group's preliminary report showed a surprise build in U.S. crude inventories. Oil prices seesawed throughout the day after falling ... Oil Markets Whipsawed As API Reports Crude Unexpected Build U.S. Crude-Oil Stocks Seen Decreasing in DOE Data -- Update |