West Texas Intermediate, the U.S. oil benchmark, lost about 50 cents early Thursday to trade at $60.40 per barrel for the January contract. The slump follows trading Wednesday that saw oil prices shed more than a dollar after the Organization of Petroleum Exporting Countries trimmed its forecast for global oil demand. Global crude oil prices have now lost more than 40 percent of their June value and analysts are wondering where the bottom is in the current market. WTI prices are at a point where oil companies working in U.S. shale deposits are struggling to make a profit. Adam Sieminski , director of the U.S. Energy Information Administration, said Tuesday drillers may be struggling already, though 2015 production should still be at its highest level in […]