Oil slips amid slow holiday trade before OPEC+ meeting

TOKYO (Reuters) - Oil prices slipped on Friday in quiet trade with the U.S. Thanksgiving holiday limiting activity, while investors awaited a meeting of OPEC and its allies next week that may result in the extension of an output cut agreement to support the market. Brent crude futures declined 28 cents, or 0.4%, at $63.59 a barrel by 0547 GMT. Brent futures are set for a slight gain of 0.3% for the week, the fourth weekly increase, during which prices have climbed 3.1%.West Texas Intermediate..