Oil falls as OPEC+ hikes August output more than expected

By Florence Tan and Sam Li SINGAPORE (Reuters) -Oil prices slipped on Monday after OPEC+ surprised markets by hiking output more than expected in August, while uncertainty over U.S. tariffs and their potential impact on global economic growth weighed on demand expectations. Brent crude futures fell 24 cents, or 0.35%, to $68.06 a barrel by 0642 GMT, while U.S. West Texas Intermediate crude was