Shares in Fortescue are trading up 1.55 per cent at $4.60. Newcrest Mining Limited (ASX:NCM) chief Greg Robinson is reportedly under pressure to deliverconsistent and predictable share performance from Australia's largest listed gold producer after a difficult year. According to news corp reports, Newcrest is at risk of missing its previously issued earnings guidance after its shares have fallen 24 per cent in the year, amounting to a value loss of $5.4 billion. Shares in Newcrest are trading up 1.15 per cent at $22.78. Best and worst performers It's all resources today on the back of the rising iron ore price: The best performing sector is Materials gaining142 points to 10,709. Shares in Mount Gibson Iron Limited (ASX:MGX) have risen 6.21 per cent and trading at $0.85. Shares in Silver Lake Resources Limited (ASX:SLR) and Iluka Resources Limited (ASX:ILU) are also stronger.