The Bank of Russia has taken steps to halt the collapse of the rouble, as the currency continues to hit new record lows against the US dollar and the euro on falling oil prices.
US equity markets have been volatile in 2014, but investors have over-reacted to the downside, says Joel Mittelman from the Boston Company Asset Management.
UK oil majors BP and Shell are under pressure after the price of Brent crude oil tumbled towards the $70 mark following an Organization of the Petroleum Exporting Countries (OPEC) decision not to cut production.
Simon Redmond, director at Standard & Poor's Ratings Services, and Stuart Elliott, director at Platts, tell Investment Week how the future of global oil supply will be impacted as geopolitical risk threatens oil producers, and the bounty of US shale oil...
The sharp slides in oil prices seen since the summer could continue unabated until the commodity's chief trade body OPEC (Organization of the Petroleum Exporting Countries) is finally forced to take action, investors have said.
Oil prices have jumped to a nine-month high on mounting concerns turmoil in Iraq may have a negative impact on global supplies.