Yes, there is less supply in Nigeria but that is not enough to cut into oversupply.

Concern about supply means the risk premium in prices is on the rise. Iran is the major problem, but Nigeria coming on top makes matters worse.

The IAEA meeting is paramount on investors' minds, because it has the potential to alter the demand supply equilibrium.

The IAEA meeting is paramount in investors' minds, because it has the potential to alter the demand-supply equilibrium.

The situation between Russia and Ukraine is a rather (supportive) factor for oil ... as the potential for (gas) supply disruption in Europe is having a correlating effect on other energy commodities including oil.

Asian central banks have been huge buyers of Treasuries, so if they're going to be buying less to hold down their currencies, then Treasuries will fall.