Oil prices fell on Monday as a relentless rise in U.S. drilling undermined an OPEC-led push to tighten supply. Trading activity will be subdued on Monday due to public holidays in China, the United States and Britain. Brent crude futures were trading down 15 cents, or 0.3 percent, at $52.00 per barrel at 0253 GMT. U.S. West Texas Intermediate (WTI) crude futures were down 17 cents, or 0.3 percent, at $49.63 per barrel. The Organization of the Petroleum Exporting Countries and some non-OPEC producers agreed last week to extend a pledge to cut production by around 1.8 million barrels per day (bpd) until the end of the first quarter of 2018. But the decision did not go as far as many investors had hoped and led to a heavy sell-off. An […]