Also forecast to deliver improved performance within the resources sector is Premier Oil (LSE: PMO). It's due to update the market this week on its restructuring plans and so its shares could be volatile in the short run. However, it should benefit from an improved outlook for oil, with OPEC's supply cuts set to cause a continued rise in the price of black gold over the first half of 2017. Alongside Premier Oil's lower costs and improved asset base, this could boost its performance. But since Ferrexpo has a better track record of profitability, it remains the superior buy at the present time.