Oil prices fell on Tuesday, with Brent futures set for their biggest monthly loss in two years, as oversupply concerns rose after a Reuters survey showed OPEC output rose in July to its highest for 2018. September Brent crude futures fell 25 cents, or 0.3 percent, to $74.72 a barrel by 0654 GMT after rising nearly 1 percent on Monday. The September contract expires later on Tuesday and the more-active October contract was down 0.3 percent at $75.35. U.S. West Texas Intermediate crude futures (WTI) were down 24 cents, or 0.3 percent, at $69.88 a barrel, after rising more than 2 percent in the previous session. For the month, Brent futures are set to drop about 6 percent, the most since July 2016, while WTI futures […]