EghtesadOnline: The Brent crude price benchmark for millions of barrels of physical crude sales each day is poised for its biggest shakeup in a decade with a new grade added to the mix from January next year.

EghtesadOnline: Oil rebounded on Friday as the dollar dipped, but prices were on track for a steep weekly decline on concerns about weakening demand in China and further interest rate hikes by the US Federal Reserve.Oil rebounded on Friday as the dollar dipped, but prices were on track for a steep weekly decline on concerns about weakening demand in China and further interest rate hikes by the US Federal Reserve.

EghtesadOnline: Oil prices fell on Monday after a powerful North Korean nuclear test explosion triggered a flight of investors away from crude markets and into gold futures, which are seen as a safe haven.

EghtesadOnline: Brent crude oil traded above $50 a barrel for the first time in six weeks on Thursday as the world's biggest producers prepared to discuss a possible freeze in output levels.