ALQ - ALS - down 2 cents, or 2.2 per cent, at $8.92 Weaker demand from mining companies has caused a 28 per cent fall in first half profit for analytical testing services group ALS. AWE - AWE - up one cent, or 0.8 per cent, at $.120 Oil and gas player AWE has sold a 50 per cent stake in the Northwest Natuna PSC joint venture in Indonesia to operator Santos for about $US188 million ($A205.50 million). AZJ - AURIZON - up five cents, or 1.1 per cent, at $4.74 Rail freight company Aurizon and Gina Rinehart's part owned Queensland coal company have agreed on a rail solution to develop the Galilee Basin as part of a $6 billion plan. BHP - BHP BILLITON - up six cents, or 0.2 per cent, at $37.89 Mining giant BHP Billiton has cancelled the opening of its Jimblebar iron ore mine due to the closure of Newman airport in the north of Western Australia. BHP has also announced it will replace two shiploaders at Port Hedland at a cost of more than $300 million. GNC - GRAINCORP - up five cents, or 0.4 per cent, at $11.51 A majority of Australians want the federal government to block an American food giant from buying GrainCorp. BGA - BEGA CHEESE - down four cents, or 0.85 per cent, at $4.67 Canadian dairy giant Saputo will lift its takeover offer for Warrnambool Cheese and Butter (WCB) to $9.20 per WCB share if it attains a stake in Warrnambool of more than 50 per cent.