Oil rises on tightening U.S. market, but high OPEC supplies still weigh

Oil prices slipped on Thursday as a rally that had pushed up prices by almost 10 percent since early last week lost momentum despite renewed signs of a gradually tightening U.S. market. Brent crude was down 25 cents at $52.11 a barrel by 0825 GMT. U.S. light crude was 25 cents lower at $49.34. ...

Oil rises on tightening U.S. market, but high OPEC supplies still weigh