Brent oil prices weaken ahead of OPEC+ meeting

LONDON (Reuters) - Oil prices dipped on Friday in muted activity because of the U.S. Thanksgiving holiday while OPEC watchers expect an extension to a pact to throttle oil output but no deeper cuts to be agreed by the producer group and its allies next week.Brent crude futures were down 29 cents at $63.58 a barrel by 1043 GMT, heading for their biggest monthly gain since April with a rise of about 5.6%.West Texas Intermediate (WTI) futures were flat at $58.11, tracing back earlier losses and..