Yahoo Finance | Oil slips as more U.S. drilling revives concern about glut Yahoo Finance NEW YORK (Reuters) - Oil prices fell on Monday as news of another weekly increase in U.S. drilling activity had oil forecasters concerned that production cuts from other producing nations may not reduce the global supply glut as much as many had hoped. Oil Falls a Second Day as U.S. Drilling Expands While OPEC Cuts Oil Prices Spiral Lower On Signs Of Strong U.S. Oil Recovery Oil steady despite U.S. drilling, output concerns |