Oil markets remained under pressure in early trading on Wednesday amid economic downturn worries due to the U.S.-China trade war that shows no sign of ending. Front-month futures for international oil benchmark Brent crude hit $69.85/barrel at 0101 GMT, a drop of 0.4 percent from the close from the last session. U.S. oil benchmark West Texas Intermediate (WTI) crude futures were off some 0.7 percent, at $58.70/barrel. Ongoing trade war tensions are causing concern across financial markets as well. The S&P 500 has dropped 5 percent from its…