Oil has slumped four per cent as OPEC's leading oil exporters struggle to agree on a deal to cut production to reduce global oversupply and boost prices, with Iran and Iraq at loggerheads with Saudi Arabia a day ahead of meeting.
Oil has slumped four per cent as OPEC's leading oil exporters struggle to agree on a deal to cut production to reduce global oversupply and boost prices, with Iran and Iraq at loggerheads with Saudi Arabia a day ahead of meeting.