Russia-Ukraine tension sends crude higher

Oil prices still on target for monthly fall

‘Crop tourists’ predict record harvests

Global corn and soyabean production forecasts hit grain prices

Gold heads higher on Russia tensions

Yellow metal on track for first weekly gain in three weeks

oil nodding donkey

PetroChina behind in China’s shale race

Company planning to produce 2.6bcm of shale gas next year

Cobalt and two Angola oil partners split

Move follows probe by US Securities and Exchange Commission

Two more Afren executives suspended

Shares fall as payments probe at oil explorer continues

Impala Platinum profits hit by strike

Mining group more confident as car sales increase

Shell nears sale of Nigeria oilfields

$5bn deal with domestic buyers is double initial estimates