LONDON  - Oil prices rose slightly on Thursday, as Libya said it would halt fuel supplies to key energy client Switzerland amid a diplomatic row between the two countries. Libya is a member of the OPEC, the cartel that supplies about

LONDON  - Oil prices fell further on Wednesday as Hurricane Dolly looked set to miss US energy installations in the Gulf of Mexico, analysts said. The market was also awaiting the latest weekly update on the health of crude stockpiles