Oil markets inched down on Friday and were heading for a weekly loss, pulled down by worries about a global economic slowdown, although OPEC-led supply cuts and U.S. sanctions against Venezuela provided crude with some support.  Weighing on financial markets were concerns that a trade dispute between the United States and China would remain unresolved, denting global economic prospects. International Brent crude futures were down 14 cents at $61.49 per barrel at 0855 GMT. On the week, they are set for a loss of around 2 percent, the steepest weekly fall this year. U.S. West Texas Intermediate crude futures stood at $52.46 per barrel, down 18 cents, and looking at a 5 percent weekly slump. U.S. President Donald Trump said on Thursday that he […]