Hedge fund manager Pierre Andurand warns crude prices could drop to $30 amid concerns of Middle East supply disruptions.
Tensions in the Middle East and negotiations in Greece could help boost the metal's safe-haven status.
US oil magnate and BP Capital boss T Boone Pickens says the idea of 'peak oil' should not be dismissed.
African leaders reached a deal in Sudanese capital of Khartoum on Monday.
Tunisia's political scene is still in chaos and the country has never faced such a potent terror threat.
US dollar has risen more than 25% against international currencies since summer 2013.
But gains could be short-lived, as rising supplies may weigh on prices again.
US dollar is set to extend its rally against emerging market (EM) currencies over the next 12 months.
John Kerry said US companies are ready to invest but Gulf states pledged billions of dollars.
US Secretary of State said US companies were ready to invest more in Egypt.
Suez canal expansion centrepiece of Egyptian President Abdel Fattah al-Sisi's economic plan.
Crude oil has recovered to around $60 a barrel since it slumped to $45 early this year.
IMF will deliver $187m total to boost Sierra Leone's economy.
Campaigners want UK to review its participation in Nigeria's energy privatisation programme.
Egypt reliant on external aid following years of political turmoil and economic mismanagement.