Oil prices slipped off one-year highs Tuesday with OPEC skeptics taking control of the market again after several days of surging prices because of cutbacks promised by the world’s oil exporters. Many traders and analysts have become more confident the Organization of the Petroleum Exporting Countries is likely to follow through on production cuts, but there are still many others who believe OPEC members will cheat on new quotas. On Tuesday, skeptics pointed to data forecasting another monthly increase to record-high output in November and to a deeper-than-expected price cut Saudi Arabia just issued for Asian customers. An increase in U.S. stockpiles also may be weighing on prices, brokers said. Stockpiles at Cushing, Okla., rose by about 3 million barrels in the week ended Friday, data provider Genscape Inc. said on Monday, according to people who saw the report. That limited gains Monday and appeared to be adding to […]